Raised Garden Bed 3' x 4' Raised beds produce higher yields and are easier to tend than in-ground beds Attractive beds feature sturdy aluminum corners and naturally rot-resistant cedar Each bed includes four industrial-strength aluminum corners; 7-1/4" H x 1" rot-resistant cedar lumber that's been precut to the proper lengths, hardware and instructions. Easy assembly  just slip the boards into the corners and screw them in place. 3' x 4' Cedar Raised Bed holds 7 cubic feet or 180 quarts of soil