junior trampoline 1, best quality with good price 2, CE ... Anti-corrosion, fire-proof, anti-uv 4, easy to assemb junior trampoline T-021 TRAMPOLINE TECHNICAL PARAMETERtrampoline size in diameter:Frame ... : double galvanized for inside and outside 6) Springs: super high-strength galvanized 7) All are approved by CE certificate trampoline ... contact us if anything I can do for you!! junior trampoline T-021