Trampoline cover – Attach the trampoline safety net to the top of the pole (safety net not included). Replacement part – The pole cover is specially designed for poles with a diameter of 25 mm. Material – The trampoline cover cap secures the safety net straps and helps prevent the pole from slipping. Easy installation – Features a special hook for easy attachment of the net to the housing rod. Helps secure your trampoline safety net to the top of the poles. Package includes – 12-piece blue trampoline end caps, easy to use and replace. Color – Blue Material – Plastic Package Contents: 12 x Trampoline End Caps Only the above package content is included; other products are not included. Note – Lighting and display differences may cause the color of the item in the picture to vary slightly from the actual product. Measurement may vary by +/- 1-3 cm.