<p>The Jumpsport&reg; 220 Fitness Trampoline/Rebounder&nbsp; uses EnduroLast elastic cords for a smooth, quiet, cushioned bounce. Exceptionally durable construction. Designed to outlast and outperform any steel coil spring rebounder. The bounce is smooth, quiet, and stress-free instead of the harsh bounce that puts stress on the body from steel coil springs. Arched legs create a safe platform for superior stability compared to straight-leg rebounders. Wider base eliminates the possibility of tipping, allowing a wider variety of exercises. Multiple units stack to reduce storage space. Mat is 32-1/2" with a 4" Permatron&reg; skirt. Frame is 39" total diameter and made of 16 gauge steel. Height of frame is 12-1/2". Weighs 18 lbs. Weight limit is 250 lbs. Lifetime frame warranty.</p>