Springfree Large Oval 8 ft x 13 ft TrampolineGet your tiny giants jumping for joy (safely!) for hours on the Spring free large oval 8ft x 13ft trampoline from Springfree Description: The large oval model is perfect for large families and kids of all ages, who love fitness and activities, without taking up the whole backyard Every Springfree Trampoline comes with a free 10 Year Warranty on the entire trampoline. No springs = more jumping space: The jumping surface of our 8 ft x 13 ft (2. 4 m x 4