The material is PVC shell + Acrylic mirror, making it high quality. Only 100g, the mirror is ultralight. Easy installation. Acrylic glass mirror can be installed on the handlebar end. It has 360° rotatable function. View 20-40m distance behind you.

Suitable for handlebar diameter of 18-22mm. 

WARNING: If you have handle grips without a removable end, you will need to cut out the end for these mirrors to work.