Best Seller | Pistachio Acid Free 7x7 Cirlce Picture Frame Mat with White Core Bevel Cut for 5x5 Pictures - Fits Our Acid-Free matboards are 4-ply and feature a White Core. With an overall size of 7 x 7 these mats with circle openings fit perfectly into 7 x 7 frames and are bevel cut to enhance your 5 x 5 photos. Actual mat opening size is 4.5 x 4.5 inches so... more | | $181.88 FREE shipping go to store |