This rearview mirror is specifically designed for mountain bikes, making it the perfect accessory for off-road adventure. The 360-degree rotation allows you to quickly scan your surroundings. The wrist-mounted design also means you won't have to worry about the mirror getting in the way of your ride. With its durable construction and reflective design, this mirror is a must-have for any serious mountain bike. Features -Color:Black -Material:Plastic, acrylic -Size:13.00X8.00X4.00cm/5.11X3.14X1.57in -Mirror with 360 degrees full rotation and could adjust to any direction to help you watch every direction of your back. -Even though it is lightweight, you'll be pleasantly surprised by how sturdy this mirror is. -Modern fashion style with compact size, it's easy to wear on arm. This unique rearview mirror without modification. -360 degrees rotation and wristband design and it will make you feel more secured in outdoor cycling. -Wide view convex mirror provides a wide view. Rearview mirror can adjust angle freely to view cars in the back, increase the safety. Package list: 1 x Bike Rear View Mirror