This indoor and outdoor trampoline Provide kids endless jumping fun and healthy exercise which is a perfect gift for your little one. Â This trampoline has passed ASTM certification to prove its quality. Equipped with a high-resilience jumping mat and 36 strong springs this trampoline shows excellent bouncing performance. Besides the galvanized steel frame and widened & curved base ensure reliable stability and prevent the trampoline from tipping over when kids are jumping. As for safety our tra