With a depth of 5 in. and a large internal capacity of over 20 gallon, this 31.5 in. Square Tray features a series of shallow horizontal ridges on the internal base of the tray which aid drainage from potted plants. Besides gardening, the tray is equally useful as a commercial drip and spillage tray for oils and chemical storage a sand pit for kids, and a mixing tray for cement to name a few. Trays of this size and strength are very hard to find. Made from recycled polypropylene. Features Great for potted plants, gravel potting and under grow bags Made of recycled polypropylene Ideal for greenhouse use Can also be used as a drip & spills and storage tray for oils and chemicals Use as a mixing tray for cement or mortarSpecifications Color: Black Dimension: 5" H x 31.5" W x 31.5" L Weight: 5.5 lbs - SKU: TRDCI566