Safety is the number 1 concern for parents when their kids want to jump on the trampolines. Now with the Super Jumper safety nets for trampolines, parents don"t have to worry about that anymore as these enclosure nets are designed to keep the kids inside the trampoline at all times. Whether you are buying a replacement net for trampoline or buying a safety net enclosure for the first time, Super Jumper has got you covered. Our safety nets are made of the highest quality material and would fit any round trampoline as long the size requirement matches.Product picture shows the enclosure on a 3 U-leg trampoline (trampoline sold separately). product ships 8 poles for 4 U-leg trampoline. If your trampoline has more than 4 U-legs and you need more poles, please refer to our product, Magic Enclosure Pole, also available on Amazon. We have another model for 6 U-leg trampoline. Contact us for all questions at superjumperinc website.