| Winston Porter Letson Self-Watering Resin Railing Planter Resin/Plastic in Brown | 7.5 H x 24 W x 7.... Beautify your decks, fences, railings, and signpost with these ingeniously adjustable railing planters. Lock the support arm to the desired width, hang, and you’re done! No tools, mounting hardware, or drilling are required. Ideal for ... more | Wayfair | $36.99 FREE shipping go to store |