The 300 series from JumpSport offers arguably the quietest, most versatile, and long lasting rebounders. This series incorporates EnduroLast Cords for a smooth and consistent bounce, patent pending arched legs for stable support and ease of storage. In addition, the FlexBounce feature on this series allows you to customize the firmness of the mat. Rated for users up to 250lbs. Includes: 33.5” diameter Permatron mat with skirt EnduraLast 4 cords (4 million bounces) 3 levels of adjustments Basic Workout DVD