These great heavy duty trampoline spring pads are constructed from strong cross linked closed cell foam. Constructed from excellent waterproof PVC & extra wide at 300mm extending over the frame & springs to ensure there is no chance of jumpers landing on any exposed part & to give extra durability & increased safety. The trampoline pads are securely tied to the frame with thick straps to ensure they are always in the correct position & do not bounce loose. The deluxe trampoline pads are UV treated to protect against harmful rays from the sun.