Enjoy Jumping Fun! This outdoor trampoline is constructed with a solid and sturdy galvanized steel frame for better resistance to rust and corrosion. And the U-shaped legs provide strong support and strength for long-term use. Besides, the jumping mat is made of wear-resistant and ultraviolet-proof PP materials that provide high resilience, and it is also connected to the steel pipes with soft foam, eliminating the gap between the mat and the net, letting your kids play more safely. What's mor