Description: Material: This bike tail light is made of high quality silicone material which is crush-proof, shockproof and waterproof, can be used in rainy and snow day, or other bad weathers. Shape: The bicycle tail light has a special heart shape, stylish and creative, not only can be used for bicycle lights, but also for room, party and event decoration. 2 Modes: This bike tail light has 2 light modes, quick flash and normal light, suitable for different occasions. Easy to Use: This light can be attached anywhere you want, such as the handlebar, seatpost or frame, or it can be attached to a backpack or other item to help improve visibility and safety. Versatile: Can be used for biking, camping, hiking or other outdoor activities, or as an indoor light. Specification: Material: Silicone Size Chart: 14x6cm/5.51x2.36inch Package Includes: 1 Piece Bike Tail Light(4 Pack) Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!