Dress up your deck and add color to your front porch with these convenient self-mounting planters. Thanks to a patented saddle groove, they slip right over deck railings without tools or fasteners, and they won't blow away or fall off. Made of highly durable, UV-stabilized polypropylene that resists cracking, chipping and breaking. Choice of designer colors. Planter fits standard 2 x 4 railing (actual width 3-1/2").