Apollo Plastics D2X4-GREEN 2 by 4 Mount Deck and Fence Railing Planter, 12-Inch Round, Green (Discontinued by Manufacturer) Deck and fence railing planter Unique form fit design allows planter to securely rest on top railing without brackets or screws Drainage holes are positioned at the bottom of each side of the planter to allow safe drainage of excess water 8-quart capacity; green color Round shape; measures 12-inches in diameter