Features: Design: The bike silicone light features an egg-shaped design, making it unique and attractive. It offers a wide field of view, enhancing visibility in low-light conditions. Waterproof: The bike taillight is waterproof, allowing normal use in rainy conditions. No need to remove it when cleaning the bike, helping to ensure safe night riding. Sturdy and Durable: Made from quality silicone material, this egg-shaped tail light is sturdy, durable, and smooth. Suitable for use as a bicycle light or decorative accent. Easy to Use: This bike tail light can be quickly installed in various locations, such as handlebars, seat posts, frame, or even a backpack. Three Lighting Modes: Offers three modes: steady on (5 hours), slow flash (6 hours), and fast flash (8 hours). Specifications: Material: ABS, Silicone Color: As shown in the picture Package Weight: Approximately 35g Style Options: White / Red Light Size: Approximately 14.1 x 4.2 cm (5.55 x 1.65 in) Package Includes: 1 x Bike Tail Light Note: Please allow 1-2 cm error due to manual measurement. Please ensure you are comfortable with this before purchasing. Due to differences in monitor displays, the actual color of the item may vary slightly from the picture. Thank you!