Pure Fun Trampoline Cover Heavy Duty 130g Polyethylene Pure Fun Trampoline Weather Covers are made of thick PVC waterproof fabric for longer life and better protection. Water drains from the center of cover It also attaches securely to the leg base poles for additional support. This Trampoline Cover has straps along the perimeter that secure to your trampoline's legs and springs. Our trampoline cover can be quickly secured and removed from your trampoline in a few short minutes. Pure Fun Trampoline covers can also serve as a handy safety tool around younger children by helping communicate to them that the trampoline is "closed" when adult supervision is not present