O77 8' x 11' Med. Oval Trampoline, shown with optional FlexrHoop Basketball Set and Ladder Say the word 'trampoline' and nine out of ten people think of a steel tube perimeter frame with coiled metal springs that have dangerous gaps between them. Springfree Trampolines offer a revolutionary, safety-conscious design from a team of world class of engineers. With flexible composite rods beneath the jumping surface, soft-edge mats, a hidden frame, and zippered FlexiNet enclosures, your family can enjoy jumping with the highest level of confidence. From the compact 8’ Round trampoline to the 13’ x 13’ Jumbo Square, there’s a Springfree trampoline for every yard and jumpers of every size.