about this item:

Provides Extra Safety while Driving — Convex angle designed to maximize view of blind spot and encourage safer driving. This convex shape of blind spot mirror helps you to forecast the next surroundings when passing or changing lanes. Strong Adhesive — Strong waterproof 3M adhesive, will peel off clear without leaving residual marks. Please note clean your original car side mirror with alcohol or some other cleaning products before attaching the blind spot mirror and press down a little hard. This is to prevent fall off from side mirror. Easy Installation — It has easy installation; no tools required simply peel and stick on to the existing rear view mirror. Press down hard when the mirror is stick to the side mirror to prevent fall off from the side mirror. Note: these round mirrors are fixed and NOT adjustable. Fits most Vehicles — It will fit most standard rear view mirrors, recommended for use in mid-size vehicles. This side view convex mirror provides a wider field of view reducing blind spots. Premium Quality — The mirrors are constructed out of premium quality materials so that they are durable, sturdy and long lasting. They have a good viewing angle and are well made.