Features: Efficient Reflection: Our reflective sign decals provide efficient reflection so that rear riders can easily notice your vehicle which is especially useful at night rainy days foggy days or when you need to pull over and get off the road it reminds other riders to keep a safe distance from your vehicle reducing the probability of traffic accidents and improving riding safety. High Brightness Material: Our reflective sign decals are made of premium quality PET material which provides high brightness. When riding on the street they look like road signs and make it very easy for other riders to see. Weather-Resistant and Durable: Our decals are waterproof have excellent weather resistance good adhesive and are anti-scratch ensuring that they can serve you for a long time. They are not easy to fall down even in tough weather conditions. Universal Fit: Our bicycle warning stickers are designed to fit all sizes of bicycles including sports bikes mountain bikes and road bikes. Customer Service: With customer satisfaction as our first priority we offer a satisfaction service for all of our merchandise. Specification: Material: PET Quantity: 21pcs/sheet Notes: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. includes: 1*Bike Night Safety Stickers "