Needak - Soft Bounce Platinum Nonfolding Rebounder w/ Stabililizing Bar-R-20/R-05 Soft-Bounce spring absorbs as much as 85% of the impact of each bounce. # Industrial quality construction, suitable for home, office or commercial use Easy to learn, easy to use, and provides incredibly efficient low impact exercise All weather exercise for people off all ages and fitness levels Lifetime Mfg. warranty.on Frame, 5 year on cleats & Springs, 2 year on matt, 10 year on bar