Unique anti-collision design with a safety distance of 4"-Reinforced double-layer structure for additional steadiness-3 U-shaped metal legs with non-slip mat for overall stability-Elastic jumping mat and bungees for a good bouncing experience-360° all-around enclosure net and no-gap design for secure use-High-density enclosure net with secure two-way zipper for safety-Soft EPE foam and child-friendly details for security-Waterproof protective cover for worry-free cleaning-Beneficial to bone grow