Usage Tips:Trampoline cover --- Attach the trampoline safety net to the top of the pole (without safety net).Replacement part --- The pole cover of the trampoline rod cover is specially designed for shell poles with a diameter of 25 mm.Durable material: the trampoline cover cap can hold the safety net straps and prevent the pole from slipping.Easy installation: special hook for easy attachment of the net with the housing rod. Helps secure your trampoline safety net to the top of your poles.Package includes: 12-piece blue trampoline cap, easy to use and replace that could meet your needs.Colour:blueMaterial:plasticPackage Contents:12 x Trampoline End CapsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.