Steel backbone, unlimited support: The double-layer planting frame is supported by a high-carbon steel base, with a maximum load-bearing capacity of 440 lbs. and heavy green plant communities can also be as stable as Mount Tai. 220 lbs. per layer, tough and uncompromising, The industrial-grade carbon steel frame is worry-free and can withstand pressure without bending when an adult steps on it, giving each pot of life double protection. The "power arena" in the plant world! Double-layer structure + 440 lbs. of hard-core bearing capacity, the high-carbon steel backbone supports the weight aesthetics of green plants and life. Color: Black. Material: Metal.