"Upper Bounce" Trampoline Enclosure Net is a must to have to ensure your familys safety! Fits for a 12 FT. Trampoline Frame with 8 Poles Or 4 Arches. Net features a perfect height which gives a 100% assurance of keeping a person safe inside while jumping! Now you can enjoy your jumping experience knowing you are fully protected with this high quality weather-proof enclosure net and protecting you from any accident. The “Inside" Model is designed to increase safety by its significant distance from the poles.