(NOTE): pls clean your original car side mirror with alcohol or some other cleaning products, press down a little hard when attach the blind spot mirror to side mirror, this is VERY important to prevent fall off from side mirror. (OUTDOOR-RATED ADHESIVE): You know how important a blindspot mirror for car is. Our product comes with an outdoor-rated adhesive base so your convex mirror car won't fall during cold weather, car wash, or exposure to salt water. (FRAMELESS DESIGN): It can be distracting looking at a mirror with another mirror on it. Utopicar addresses that concern by following a frameless design to make your side view mirror (blindspot) look and fit like an original part of the car. (SAFETY FIRST): Utopicar promotes safe driving through its cutting-edge blind spot mirror for car. Feel more confident in changing lanes with the better visibility this product offers. It’s a cheaper yet efficient alternative to a blind spot monitor. (2 PIECE PACKAGED): 360 degree adjustabe, maximize your view with wide angle in car. All convex spot mirrors are equipped with tiny adjustable swivel mounting bracket for easy installation. (ENGINEERED DESIGN): Don’t just use any fisheye mirror for your rear view. Yobbo offers you not just a typical car mirror (blindspot mirror), but one that is engineered to cover a wider area. It reflects the image 3x larger for an easier rear view. (2" HD GLASS): curved male face frameless ultrathin slim design, equip with strong adhesive for pressure-sensitive tape installation. Waterproof, rust resistant and the glass will not haze. Suitable for interior or exterior use.