The 10 FT trampoline mainly consists of 6 fence poles, 3 W-shaped legs, and high-temperature hardened springs. They are all heavy-duty galvanized and rust-proof steel structures, which are safe and stable and can withstand high pressure. Children can get on and off easily and safely. The jumping mat of the outdoor trampoline is made of anti-UV PP, which is not easy to age, has a good moisture-proof effect, and can be used for a long time. This 10-foot trampoline meets ASTM F381-16 and ASTM F2225-15 standard safety practices for trampoline components, assembly, use, and labeling. You can trust that we use high standards and high-specification materials. The ASTM-certified children's outdoor trampoline has a total weight capacity of up to 880 pounds. It should be noted that to avoid injuries caused by landing on the jumping mat, the weight limit for a single person is 240 pounds. Children should use trampolines under adult supervision to ensure safety. This trampoline comes in 1 large box and includes a steel frame, jumping mat, safety fence combo, basketball, ladder, and installation instructions.