Using drainage system to create an anti-soaking layer in the planting groove, excess water will flow to the anti-soaking layer, creating space for root to absorb oxygen & preventing waterlogged soil and root rot from overwatering or heavy rainfall. Switchable drainage hole, you can drain water at any time.It can be used indoors and outdoors, garden, backyard, balconies, courtyards, patio, porch and other places, and can grow peppers tomatoes, lettuce, beets, green onion, mint, strawberries, herbs, flowers, and other fruit & vegetables plants.Ergonomic height at waist level design removes the need for bending or kneeling, preserving your back and knees， Equipped with 2 wheels and armrests, can be easily moved to any place after lifting the armrest.4 high-strength metal legs, which can carry more than 200 pounds. With a storage shelf, you can store planting tools. The frame of the groove are designed with sealing edge and 4 curved corners can avoid hand cutting.