Please clean your original car side mirror with alcohol or some other cleaning products. Press down HARD when the mirror is stick to the black pivot base, it is more firmly stick and will not fall off from the pivot base.
2" HD glass curved male face frameless ultrathin slim design, equip with 3M adhesive for pressure-sensitive tape installation. IP65 waterproof, rust resistant and the glass will not haze. Suitable for interior or exterior use.
Flexible convex shape of blind spot mirror helps you to forecast the next surroundings when passing or changing lanes.