Non-folding Soft-Bounce rebounder has 36 of our unique soft-bounce springs on a 40" diameter frame. Same style used in Gyms and Healthclubs. Needak offers the only rebounders manufactured entirely in the United States of America and pride themselves on setting the "gold standard" as the premier mini-trampoline manufacturer in the industry. Needak maintains high standartds of uality control from design to completed product. All Needak rebounders come with a lifetime warranty.for frame. Optional stabilizing bar for beginners, seniors or people with infirmities. Due to manufactures restrictions, we must apply a shipping charge to this one item. Included with Needak® Soft-Bounce Rebounders - A FREE carrying bag (Folding rebounder only) A FREE copy of the book, Jumping For Health by Dr. Morton Walker A FREE copy of the Immune System DVD video by Albert Carter A FREE copy of Dr. Tina Wellman"s "Aerobic Resistance Rebounding" reprint article