The 16" square Nantucket patio planter would be an adorable addition to any home or garden. It creates an easy, yet beautiful, place for flowers or your favorite plant. Molded from high-grade polyethylene, it is durable and will last for years. The design of a double wall creates a sub-irrigation water reservoir in the bottom. This makes caring for your plant or flowers easier than ever. The inside dimension is 12" square, and the outside is 16" square. It comes with a 15 year warranty. Free standard shipping in the continental U.S.