High-Dip Galvanized Frame - Our outdoor trampolines have galvanized steel frames, ensuring durability, weather resistance, and rust prevention. 5 groups of W shapes legs instead of 3 or 4 make the trampoline more stable and safer. The galvanized legs with extra powder costing make the trampoline last longer time ourside and stronger rust resistance。 10pcs curved net poles with thick foam tubes make your trampoline has MORE SPACE between kids and the poles for wild bouncing fun. The reinforced jumping mat PP has passed American UV standard 5000hours test.