The installation of a traditional trampoline safety net is to use a rope through the safety net and a triangular hook on the vault. The whole process takes a long time and is an essential part of the installation process. Springfree trampoline safety net and vault have been connected together with a zipper when leaving the factory, and can be used directly by hanging the safety net, saving a lot of installation time. 2 The installation of the traditional safety net, it is difficult to avoid a large gap at the bottom of the safety net. The child's feet are very likely to come out of the gap. Springless trampoline safety net zipper, completely closed the gap between the safety net and the vault, to ensure that the child's feet will not pass through. Trampolines without springs safe net zipper design, can be quickly removed when needed. The safety net and vault can be replaced separately to reduce the update cost. 4 SKY trampoline safety net, in order to ensure the safety of children's…