Safety Essentials:At night or in bad weather conditions, the spoke reflectors can effectively reflect the light coming through and issue warnings to reduce the occurrence of traffic accidents and improve your riding safety. Material:The spoke reflectors for bike are made of high quality ABS and reflective coating, which makes them waterproof and reflective. (Note: The reflectors themselves cannot reflect light and require external lighting.) Easy to Install:The reflectors for bike wheels have a slot design on the side, you just need to gently squeeze the reflectors to snap into the spokes to complete the installation, when you don't need them, just remove them. Personalised :You can adjust the position and number of cycling reflectors according to your preference to achieve a different decorative effect and complete your personalised bike decoration. Color: silver Size: 5*80mm Delivery quantity: 12 pieces Note: Other items are not included here, other pictures are just showing effect. Due to the difference between different monitors, the picture may not reflect the actual color of the item. The products are all measured manually, please allow errors, thank you!