STURDY: Made of 22-gauge 0.8mm thickness corrugated galvanized steel with multi-layer eco-friendly powder coatings make sure withstand kinds of conditions. Extra thick up to 1.6mm corner panels, four stabilizing rods and ground stakes to keep your planter box solid and sturdy last for decades. 1.5FT DEPTH 18 Tall metal raised garden bed holds up to 359 Gal. of soil-great for shallow to medium root plants and vegetables. Higher enough for keeping out critters while friendly for your back and knees. ORGANIC:The bottomless structure keeps natural growth releasing in the raised beds for gardening with less compaction and better soil structure. Produce more fresh and healthy produce from your own garden. Enjoy the green gardening time with your family. EASY-TO-GO: Come with a clearly instrution, it is easier to put the garden boxes together in short time. For your safety, our planters designed with R angles, smooth curled edges and provided garden gloves in case of any injur