Made of 22-gauge 0.8mm thickness corrugated galvanized steel with multi-layer eco-friendly powder coatings. The heavy-duty metal garden bed is strong enough to hold soil for decades. 18 in. Tall planter raised beds are great for shallow to medium root plants and vegetables. Heart-shaped Garden raised bed would be a lovely focal point to your outdoor space. Try combining different shapes, sizes and depths to create a unique, beautiful garden or veggie patch. Open bottom design provides better drainage, moist organic soil and the raised bed garden planter is convenient for plant care and warms a prolong growing season. Simply attach the galvanized planter panels in the configuration, no need additional tools. Smooth curled edges, R angles and garden gloves are provided in case of any injury. Color: Antique White.