Mayne Inc Cambridge Tall Planter, Black Single wall molded design, made with 100% high-grade polyethylene Self watering tray insert creates 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 Outside Dimensions: 16"L x 16"W x 28.5"H. Opening Dimension is 11in x 11in, 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.