Product details:

Available in four sizes: 2' x 4', 3' x 3', 4' x 4' and 4' x 8'.. Only available in black.. Curved narrow edges allow for tighter grow space.. Unique vertical channels are sloped towards center of tray, directing water to drain down horizontal channels.. Durable, rigid and strong with low profile 3 3/4" sidewall... Inside Dimensions:. 46 1/4" x 46 1/4" x 3 1/8".. Outside Dimensions:. 48" x 48" x 3 3/4".. Volume:. 28 gal.