This scooter screw cap can completely cover the screw’s holes to prevent dust and water from getting in. Prolong screws lifespan, it can be installed easily, use on the rear fender. Made of skin-friendly and non-toxic silicone, it is comfortable to use. Durable material, the silicone cap can last for a long time, is not easy to be worn out. You can use them on a specific scooter, which is good for Mijia M365/Pro/Pro2/1S scooter screw caps.