Adjustable 360 Degree Rotate Bicycle Bike Wristband Strap Safe Portable Comfortable to Wear Rear View Mirror Specifications: Made of premium plastic, more durable and longer to last. It allows you to check the back without head turning but a simple glance at the rear view mirror around your wrist.  On-wrist wear like a watch, wrist girth can be adjusted to fit you better. Compact mirror has a large vision of view. Item Name: Bike Wrist Rear View Mirror Material: Plastic + Cotton Features: 360 Degree Rotation, Portable, Comfortable to Wear Size: Length: 6.7cm/2.64", Width: 6.5cm/2.56", Height: 2cm/0.79" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Bike Wrist Rear View Mirror