We purchased the 15 foot trampoline for our daughters for Christmas 3 years ago. This Trampoline is very good quality and has gotten a lot of use! My daugthers (tweens) both practice gymnastics on it and it's large enough for them to practice a variety of different gymnastics skills. The trampoline is designed for safety with the net enclosure and the pad covering the springs, so there is no way for the kids to come in contact with the springs while jumping. The only area for improvement I recommend, would be in streamlining the process to order replacement parts. Highly recommended product!