For significant movements, the JumpSport 350 Pro Fitness Trampoline gives you the freedom to move, delivers efficient cardio workouts, and boosts your fitness levels.This trampoline delivers the smoothest, deepest, and most supportive low-impact bounce on the market. Featuring EnduroLast Elastic Cords that are uniquely formulated to stretch 2 times the resistance length. The 350 Pro has a 35.5-inch jumping surface, arched legs, and 7 easy-to-adjust firmness settings. The JumpSport hinge is light but creates a super stable, rigid frame rail for confident and secure jumping.