Needak Mini-trampoline Rebounder R04 non-folding Black for Heavier Users. Supports Weight of Over 300 pounds. Model RO4 has springs for weight over 300lbs 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 manufacturer warranty.on Frame, 5 year on cleats & Springs, 2 year on matt