The Cambridge Tall Planter has a timeless and classic look to compliment any outdoor living space, with its curved shape, this planter offers a unique blend of modern and traditional design. Single wall molded design, made with 100%percnt; high-grade polyethylene. Self watering tray insert creates a sub-irrigation water system and encourages root growth. The tray can be reversed to support a potted plant or removed so the planter can be completely filled with soil. Drainage holes to be pre-drilled by customer depending on desired use of the planter. Opening Dimension are 10.5in x 10.5in. Approximately 8 gallon soil capacity, 6.5 gallon water capacity. The weather-proof and ultra-tough construction allows you to enjoy your planter all year long with very little winter preparation. The UV inhibitors within the resin allows for a long lasting fade-free performance. 15 Year Warranty – Residential Application, 5 Year Warranty – Commercial Application. Made in the USA.