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    25 / White Self Seal Mailers Flat Cardboard Mailers With Flap (5.25 X 5.25)

    25 / White Self Seal Mailers Flat Cardboard Mailers With Flap (5.25 X 5.25)

    Square shape with flap Lightweight Easy to use with adhesive Ideal for or being distributed mail more

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    $16.80

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    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 12.5 in. x 9.5 in. White 100-Pack

    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 12.5 in. x 9.5 in. White 100-Pack

    Self-sealing peel and stick adhesive keeps contents secure and tamper proof. Extremely durable and lightweight cardboard material helps save on postage. Provides bend resistance. Surface easily accepts ink stamps and labels. Approved for USPS FedEx UPS... more

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    $48.99

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    Best Seller
    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 12.5 in. x 9.5 in. White 2000-Pack

    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 12.5 in. x 9.5 in. White 2000-Pack

    Self-sealing peel and stick adhesive keeps contents secure and tamper proof. Extremely durable and lightweight cardboard material helps save on postage. Provides bend resistance. Surface easily accepts ink stamps and labels. Approved for USPS FedEx UPS... more

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    $659.99

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    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 6 in. x 8 in. White 500-Pack

    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 6 in. x 8 in. White 500-Pack

    Self-sealing peel and stick adhesive keeps contents secure and tamper proof. Extremely durable and lightweight cardboard material helps save on postage. Provides bend resistance. Surface easily accepts ink stamps and labels. Approved for USPS FedEx UPS... more

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    $85.99

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    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 9 in. x 11.5 in. White 150-Pack

    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 9 in. x 11.5 in. White 150-Pack

    Self-sealing peel and stick adhesive keeps contents secure and tamper proof. Extremely durable and lightweight cardboard material helps save on postage. Provides bend resistance. Surface easily accepts ink stamps and labels. Approved for USPS FedEx UPS... more

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    $61.99

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    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 7 in. x 9 in. White 150-Pack

    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 7 in. x 9 in. White 150-Pack

    Self-sealing peel and stick adhesive keeps contents secure and tamper proof. Extremely durable and lightweight cardboard material helps save on postage. Provides bend resistance. Surface easily accepts ink stamps and labels. Approved for USPS FedEx UPS... more

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    $37.99

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    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 7 in. x 9 in. White 400-Pack

    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 7 in. x 9 in. White 400-Pack

    Self-sealing peel and stick adhesive keeps contents secure and tamper proof. Extremely durable and lightweight cardboard material helps save on postage. Provides bend resistance. Surface easily accepts ink stamps and labels. Approved for USPS FedEx UPS... more

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    $90.99

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    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 6.5 in. x 4.5 in. White 250-Pack

    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 6.5 in. x 4.5 in. White 250-Pack

    Self-sealing peel and stick adhesive keeps contents secure and tamper proof. Extremely durable and lightweight cardboard material helps save on postage. Provides bend resistance. Surface easily accepts ink stamps and labels. Approved for USPS FedEx UPS... more

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    $59.99

    FREE shipping

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    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 11 in. x 13.5 in. White 1000-Pack

    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 11 in. x 13.5 in. White 1000-Pack

    Self-sealing peel and stick adhesive keeps contents secure and tamper proof. Extremely durable and lightweight cardboard material helps save on postage. Provides bend resistance. Surface easily accepts ink stamps and labels. Approved for USPS FedEx UPS... more

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    $416.99

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    PSBM Rigid Mailers 6x8 Inch 100 Pack White Cardboard Shipping Envelopes for Photo & Document Self Seal

    PSBM Rigid Mailers 6x8 Inch 100 Pack White Cardboard Shipping Envelopes for Photo & Document Self Seal

    Rigid Photo Mailers: These rigid carboard mailers are great for shipping and protecting important documents. Resistant to bending and crushing you can confidently ship your products knowing they will arrive in terrific condition. In addition to this... more

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    $41.72

    FREE shipping

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    100 ZQRPCA 9.75 x 12.25 Rigid Photo Mailers Keep Flats White Cardboard Self Seal Envelopes 9.75x12.25

    100 ZQRPCA 9.75 x 12.25 Rigid Photo Mailers Keep Flats White Cardboard Self Seal Envelopes 9.75x12.25

    100 ZQRPCA 9.75 x 12.25 Rigid Photo Mailers Stay Flats White Cardboard Self Seal Envelopes 9.75x12.25 more

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    $50.69

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    150 9 X 11.5 Rigid Photo Mailers Keep Flats White Cardboard Self Seal Envelopes 9X11.5

    150 9 X 11.5 Rigid Photo Mailers Keep Flats White Cardboard Self Seal Envelopes 9X11.5

    Dimensions:9 x 11 1/2 Thickness:250 GSM Self-Sealing Peel and Stick Adhesive White Cardboard Mailer for shipping Photos Documents and more! Quantity:150 more

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    $89.79

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    PSBM Rigid Mailers 6x6 Inch 400 Pack Kraft White Cardboard Shipping Envelopes for Photo & Document Self Seal

    PSBM Rigid Mailers 6x6 Inch 400 Pack Kraft White Cardboard Shipping Envelopes for Photo & Document Self Seal

    Product Description Rigid Photo Mailers: These rigid carboard mailers are great for shipping and protecting important documents. Resistant to bending and crushing you can confidently ship your products knowing they will arrive in terrific condition. In... more

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    $82.12

    FREE shipping

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    400 6.5 x 4.5 rigid photo mailers stay flats white cardboard self seal envelopes

    400 6.5 x 4.5 rigid photo mailers stay flats white cardboard self seal envelopes

    Dimensions:6.5� x 4.5 Thickness:250 GSM Self-Sealing Peel and Stick Adhesive Quantity:400 more

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    $100.99

    FREE shipping

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    SSBM 200 Pack Rigid Mailers with Self Adhesive Seal White Cardboard Envelopes for Shipping Photo Documents Letters Packaging Supplies 11 x 13.5

    SSBM 200 Pack Rigid Mailers with Self Adhesive Seal White Cardboard Envelopes for Shipping Photo Documents Letters Packaging Supplies 11 x 13.5

    Rigid Photo Mailers: These rigid cardboard mailers are great for shipping and protecting important documents. Resistant to bending and crushing you can confidently ship your products knowing they will arrive in terrific condition. In addition to this... more

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    $117.27

    FREE shipping

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    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 6.5 in. x 4.5 in. White 1000-Pack

    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 6.5 in. x 4.5 in. White 1000-Pack

    Self-sealing peel and stick adhesive keeps contents secure and tamper proof. Extremely durable and lightweight cardboard material helps save on postage. Provides bend resistance. Surface easily accepts ink stamps and labels. Approved for USPS FedEx UPS... more

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    $133.99

    FREE shipping

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    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 9.75 in. x 12.25 in. White 300-Pack

    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 9.75 in. x 12.25 in. White 300-Pack

    Self-sealing peel and stick adhesive keeps contents secure and tamper proof. Extremely durable and lightweight cardboard material helps save on postage. Provides bend resistance. Surface easily accepts ink stamps and labels. Approved for USPS FedEx UPS... more

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    $106.99

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    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 6.5 in. x 4.5 in. White 500-Pack

    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 6.5 in. x 4.5 in. White 500-Pack

    Self-sealing peel and stick adhesive keeps contents secure and tamper proof. Extremely durable and lightweight cardboard material helps save on postage. Provides bend resistance. Surface easily accepts ink stamps and labels. Approved for USPS FedEx UPS... more

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    $79.99

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    SSBM 100 Pack Rigid Mailers with Self Adhesive Seal White Cardboard Envelopes for Shipping Photo Documents Letters Packaging Supplies 7 x 9

    SSBM 100 Pack Rigid Mailers with Self Adhesive Seal White Cardboard Envelopes for Shipping Photo Documents Letters Packaging Supplies 7 x 9

    Rigid Photo Mailers: These rigid cardboard mailers are great for shipping and protecting important documents. Resistant to bending and crushing you can confidently ship your products knowing they will arrive in terrific condition. In addition to this... more

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    $33.10

    FREE shipping

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    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 9.75 in. x 12.25 in. White 2000-Pack

    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 9.75 in. x 12.25 in. White 2000-Pack

    Self-sealing peel and stick adhesive keeps contents secure and tamper proof. Extremely durable and lightweight cardboard material helps save on postage. Provides bend resistance. Surface easily accepts ink stamps and labels. Approved for USPS FedEx UPS... more

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    $616.99

    FREE shipping

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    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 6.5 in. x 4.5 in. White 200-Pack

    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 6.5 in. x 4.5 in. White 200-Pack

    Self-sealing peel and stick adhesive keeps contents secure and tamper proof. Extremely durable and lightweight cardboard material helps save on postage. Provides bend resistance. Surface easily accepts ink stamps and labels. Approved for USPS FedEx UPS... more

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    $39.99

    FREE shipping

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    30 9.75 X 12.25 Rigid Photo Mailers Keep Flats White Cardboard Self Seal Envelopes 9.75X12.25

    30 9.75 X 12.25 Rigid Photo Mailers Keep Flats White Cardboard Self Seal Envelopes 9.75X12.25

    Dimensions:9 3/4 x 12 1/4 Thickness:250 GSM Self-Sealing Peel and Stick Adhesive White Cardboard Mailer for shipping Photos Documents and more! Quantity:30 more

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    $26.79

    FREE shipping

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    1500 6.5 x 4.5 rigid photo mailers stay flats white cardboard self seal envelopes

    1500 6.5 x 4.5 rigid photo mailers stay flats white cardboard self seal envelopes

    Dimensions:6.5� x 4.5 Thickness:250 GSM Self-Sealing Peel and Stick Adhesive Quantity:1500 more

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    $254.99

    FREE shipping

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    35 6.5 x 4.5 rigid photo mailers stay flats white cardboard self seal envelopes

    35 6.5 x 4.5 rigid photo mailers stay flats white cardboard self seal envelopes

    Dimensions:6.5� x 4.5 Thickness:250 GSM Self-Sealing Peel and Stick Adhesive Quantity:35 more

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    $18.39

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    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 11 in. x 13.5 in. White 2000-Pack

    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 11 in. x 13.5 in. White 2000-Pack

    Self-sealing peel and stick adhesive keeps contents secure and tamper proof. Extremely durable and lightweight cardboard material helps save on postage. Provides bend resistance. Surface easily accepts ink stamps and labels. Approved for USPS FedEx UPS... more

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    $769.99

    FREE shipping

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    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 12.5 in. x 9.5 in. White 200-Pack

    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 12.5 in. x 9.5 in. White 200-Pack

    Self-sealing peel and stick adhesive keeps contents secure and tamper proof. Extremely durable and lightweight cardboard material helps save on postage. Provides bend resistance. Surface easily accepts ink stamps and labels. Approved for USPS FedEx UPS... more

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    $77.99

    FREE shipping

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    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 6.5 in. x 4.5 in. White 75-Pack

    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 6.5 in. x 4.5 in. White 75-Pack

    Self-sealing peel and stick adhesive keeps contents secure and tamper proof. Extremely durable and lightweight cardboard material helps save on postage. Provides bend resistance. Surface easily accepts ink stamps and labels. Approved for USPS FedEx UPS... more

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    $22.99

    FREE shipping

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    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 12.75 in. x 15 in. White 50-Pack

    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 12.75 in. x 15 in. White 50-Pack

    Self-sealing peel and stick adhesive keeps contents secure and tamper proof. Extremely durable and lightweight cardboard material helps save on postage. Provides bend resistance. Surface easily accepts ink stamps and labels. Approved for USPS FedEx UPS... more

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    $33.99

    FREE shipping

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    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 11 in. x 13.5 in. White 45-Pack

    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 11 in. x 13.5 in. White 45-Pack

    Self-sealing peel and stick adhesive keeps contents secure and tamper proof. Extremely durable and lightweight cardboard material helps save on postage. Provides bend resistance. Surface easily accepts ink stamps and labels. Approved for USPS FedEx UPS... more

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    $30.99 $26.99

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    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 12.75 in. x 15 in. White 1500-Pack

    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 12.75 in. x 15 in. White 1500-Pack

    Self-sealing peel and stick adhesive keeps contents secure and tamper proof. Extremely durable and lightweight cardboard material helps save on postage. Provides bend resistance. Surface easily accepts ink stamps and labels. Approved for USPS FedEx UPS... more

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    $766.99

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    500 CodYinFI 6.5 x 4.5 Rigid Photo Mailers Stay Flats White Cardboard Self Seal Envelopes

    500 CodYinFI 6.5 x 4.5 Rigid Photo Mailers Stay Flats White Cardboard Self Seal Envelopes

    CodYinFI Brand Flat Cardboard Mailers with self-sealing peel and stick adhesive keep contents secure. CodYinFI Cardboard Mailers are extremely durable and lightweight to help save money on postage and are constructed with strong seams. Surface easily... more

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    $87.79

    FREE shipping

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    400 6.5 x 4.5 rigid photo mailers stay flats white cardboard self seal envelopes

    400 6.5 x 4.5 rigid photo mailers stay flats white cardboard self seal envelopes

    Dimensions:6.5� x 4.5 Thickness:250 GSM Self-Sealing Peel and Stick Adhesive Quantity:400 more

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    $100.99

    FREE shipping

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    PSBM Rigid Mailers 9X11.5 Inch 100 Pack White Cardboard Shipping Envelopes For Photo & Document Self Seal

    PSBM Rigid Mailers 9X11.5 Inch 100 Pack White Cardboard Shipping Envelopes For Photo & Document Self Seal

    CORNER PROTECTION - The corners of your contents will be safe due to the cardboard envelopes. These rigid mailers will allow your documents to arrive in perfect condition . LIGHTWEIGHT - These mailers are very lightweight and don’t add much to your... more

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    $77.31

    FREE shipping

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    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 9.75 in. x 12.25 in. White 25-Pack

    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 9.75 in. x 12.25 in. White 25-Pack

    Self-sealing peel and stick adhesive keeps contents secure and tamper proof. Extremely durable and lightweight cardboard material helps save on postage. Provides bend resistance. Surface easily accepts ink stamps and labels. Approved for USPS FedEx UPS... more

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    $16.49

    FREE shipping

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    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 11 in. x 13.5 in. White 35-Pack

    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 11 in. x 13.5 in. White 35-Pack

    Self-sealing peel and stick adhesive keeps contents secure and tamper proof. Extremely durable and lightweight cardboard material helps save on postage. Provides bend resistance. Surface easily accepts ink stamps and labels. Approved for USPS FedEx UPS... more

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    $21.99

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    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 7 in. x 9 in. White 250-Pack

    EcoSwift Brand Premium Self-Seal Rigid Cardboard Mailer 250GSM 7 in. x 9 in. White 250-Pack

    Self-sealing peel and stick adhesive keeps contents secure and tamper proof. Extremely durable and lightweight cardboard material helps save on postage. Provides bend resistance. Surface easily accepts ink stamps and labels. Approved for USPS FedEx UPS... more

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    $66.99

    FREE shipping

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    SSBM 2500 Pack Rigid Mailers with Self Adhesive Seal White Cardboard Envelopes for Shipping Photo Documents Letters Packaging Supplies 11 x 13.5

    SSBM 2500 Pack Rigid Mailers with Self Adhesive Seal White Cardboard Envelopes for Shipping Photo Documents Letters Packaging Supplies 11 x 13.5

    Description Rigid Photo Mailers: These rigid cardboard mailers are great for shipping and protecting important documents. Resistant to bending and crushing you can confidently ship your products knowing they will arrive in terrific condition. In... more

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    $1,450.98

    FREE shipping

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    400 MYXIO 6.5 x 4.5 Rigid Photo Mailers Stay Flats White Cardboard Self Seal Envelopes

    400 MYXIO 6.5 x 4.5 Rigid Photo Mailers Stay Flats White Cardboard Self Seal Envelopes

    MYXIO Brand Flat Cardboard Mailers with self-sealing peel and stick adhesive keep contents secure. MYXIO Cardboard Mailers are extremely durable and lightweight to help save money on postage and are constructed with strong seams. Surface easily accepts... more

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    $89.59

    FREE shipping

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    75 6 X 6 Rigid Photo Mailers Keep Flats White Cardboard Self Seal Envelopes 6X6

    75 6 X 6 Rigid Photo Mailers Keep Flats White Cardboard Self Seal Envelopes 6X6

    Dimensions:6 x 6 Thickness:250 GSM Self-Sealing Peel and Stick Adhesive White Cardboard Mailer for shipping Photos Documents and more! Quantity:75 more

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    $26.79

    FREE shipping

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    SSBM 3600 Pack Rigid Mailers with Self Adhesive Seal White Cardboard Envelopes for Shipping Photo Documents Letters Packaging Supplies 7 x 9

    SSBM 3600 Pack Rigid Mailers with Self Adhesive Seal White Cardboard Envelopes for Shipping Photo Documents Letters Packaging Supplies 7 x 9

    Description Rigid Photo Mailers: These rigid cardboard mailers are great for shipping and protecting important documents. Resistant to bending and crushing you can confidently ship your products knowing they will arrive in terrific condition. In... more

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    $982.91

    FREE shipping

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    More information about Mailing & Shipping Supplies

    Best prices on Checkoutstore 20 white cardboard self in Mailing & Shipping Supplies online. Visit Bizrate to find the best deals on top brands. Read reviews on Office Supplies merchants and buy with confidence.