Our product is made of high strength ABS material, which is very . The rear view mirror is safety and visible while you riding. Hook and loop tapes for easy install and remove, 360 degrees adjustable mirror to fit the exact rear you need. Lightweight design for most helmet. You are worth it. Specifications: Material: ABS Color: Black Package Weight: approx. 58g Total Length: approx. 24cm / 9.4" Mirror Size: approx. 5 x 3.5cm / 1.9" x 1.3" Quantity: 1pc Package Included: 1 x rear view mirror with hook and loop tapes Not include the helmet. Note: 1. Please allow 1-3cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please in kind prevail.