This injection molded Maxi Garden Tray is made of 100-Percent recycled polypropylene. Ideally sized for standard greenhouse staging. It can be used by private and commercial gardeners alike as a large irrigation table. The tray can be filled with grit or capillary matting if preferred. Shallow horizontal ridges on the base of they tray aid drainage. Its sheer size means that by simply filling the tray with water, a large number of plants can be watered in minimal time. Internal capacity of over 7 gallons, tray is 47" X 21.5" x 1.5" deep. Sturdy and built to last! Tierra Garden is an importer, designer and manufacturer of distinctive garden products that has developed a reputation for quality products and a broad selection of unique garden hard goods.