Size: 67×36×10in, provide large growing space to raise vegetables, herbs, flowers and plants. Ventilation design: Our raised garden bed has vents on the side to let your plant roots breathe fresh air. Make your plants grow healthier. Open bottom: Sits on the ground garden bed, provide good drainage, keep weeds away from soil, defense against pests, and protect your plants. Strong Connecting rods: In order to make the garden box more stable and the structure more complete, we added 4 connecting rods in the middle of the garden bed to keep the force balanced. Thickened Material: Our galvanized raised garden beds are made of 0.8 mm thick galvanized layer of solid steel plate, which can keep in contact with soil for a long time and resist corrosion.