Black Replacement Spring Cover for 36 40 Inch Mini Trampoline Shock Absorbent Pad Usage Tips: Children's trampoline jumping bed cover protective cover, edging accessories The outer layer is thickened Oxford cloth, wear-resistant and tear-resistant; the inner layer is thickened PE film, which has high strength, smoothness and elasticity Easy to install: Our PVC trampoline cover is equipped with a bungee cord, you only need to spend a few minutes to lay the trampoline on the trampoline and fix the bungee cord to start jumping Folding mat: The anti-ultraviolet trampoline mattress adopts a foldable design, which will not occupy too much space in the home after being folded, and can be taken anywhere you want to go at any time Applicable trampoline: This trampoline is suitable for 38-48 inch frame trampolines. Please measure the diameter and spring length of your jumping mat before buying Specification: Material: Oxford cloth, sponge Size: Approx. 36 inches: Diameter 0.91m/35.83inch 38 inches: Diameter 0.96m/37.80inch 40 inches: Diameter 1.01m/39.76inch Package Includes: 1 Piece Trampoline Cover Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!