Description Features: 1. Waterproof and shockproof: multi-mode one-button operation, high elasticity, silicone soft fix, no damage. 2. Lightweight and portable installation of the car paint: simple can be installed in the car seat saddle pipe handlebar head and other places. 3. Durable quality :simple but efficient design is made of waterproof silicon for a longer lifespan. 4. The premium material :used will protect them from damaging quickly. 5. Visibility for safety: Bike lights are very bright, making you visible to others. Descriptions: Specifications: Color: green Material: high elasticity waterproof silicone material Quantity: 1 piece Size: 45*45*26mm Package Included: 1 * Mountain bike safety warning light Notes: 1.Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2.Please allow slight dimension difference due to different manual measurement.