Made of plastic material, thick and safe. It is an important accessory when setting up the trampoline, it is more convenient and quick to install. The surface is smooth, without burrs and damage. Strong and sturdy. The trampoline pole cover helps to fix the trampoline safety net on the top of the pole. Renovate the trampoline by replacing the spring pull kit. It will serve you for a long time. The trampoline shell cover is suitable for many trampolines, please measure the size. Trampoline End Caps - Trampoline Net Bar Protector Caps, Pole Cap Steel Pipe Cover for Kids Trampoline, 9x5cm Features: 1. Made of plastic material, thick and safe. 2. It is an important accessory when setting up the trampoline, it is more convenient and quick to install. 3. The surface is smooth, without burrs and damage. Strong and sturdy. 4. The trampoline pole cover helps fix the trampoline safety net on top of the pole. Renovate the trampoline by replacing the spring pull kit. It will serve you for a long time. 5. The trampoline shell cover is suitable for many trampolines, please measure the size. Specifications: Name: Ple Cap Material: plastic Weight: about 20g Size: 25mm in diameter Packing List: Ple Cap * 1 Note: 1. Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. 2. Due to manual measurement, the product has a certain size tolerance.