This item is made of high strength plastic, which is sturdy and durable in any weather conditions. The mirror can be adjusted as you like for clear traffic view, and it is not prone to break. It can be easily installed on the handlebar end without bothering your cycling. This is great for the cost, and you won't regret to get one. Features: Mirror can be adjusted in 360 degree, which offers a better traffic view to ensure your cycling safety. Multiple adjustment holes, suitable for handles of most bikes, easy and quick to install and dismantle. ABS high strength plastic mirror frame, sturdy and durable for years of use. Shatterproof treatment enables mirror not prone to break. Let you ride bike safer, nice accessory for cycling lovers. Specification: Material: ABS + Silicone + Glass Color: Black Total Size: Approx. 13.7 x 5.2 cm / 5.39 x 2.05 inch Mirror Size: Approx. 7 x 5cm / 2.75 x 1.97 inch Weight: Approx. 39g Package List: 1 x Bike Rear Mirror .