The padded protective frame and net prevent kids from being injured while jumping or playing on it. The wide and tight ties connects the pole with the net which also keeps the enclosure net from falling. The mini trampoline is made with galvanized steel for durability and rust resistance. The frame is supported by six legs to ensure stability. And the design of six legs under also largely disperse the gravity. The entrance net door is convenient for your kids to go in and out. The zipper on the door also offers dual protection while they playing inside. The springs provide superior bounce and are rust resistant. Highly elastic springs offer a great bounce at each jump. Heavy-duty jumping mat, reinforced to provide stronger and longer-lasting attachment to the springs.