YC 12FT Springfree no Gap Trampoline- Green W550P288204Our outdoor trampolines have galvanized steel frames, the legs and T connectors powder coated for long time anti rust outside. ensuring durability, weather resistance, and rust prevention. Unlike other trampolines that use top PVC+ bottom PE for their pad, our engineers significant design improvements to our trampoline, including the use of PVC+Polypropylene on the pad to prevent abrasion and longer lasting, a double layer of PVC mesh fabric on the