The shield is made with high quality PVC plastic which is water proof and heat resisting. The shield comes with double-sided tape and is universal fit for most vehicles as long as the side mirror is around 7.0 inches wide. The Easier Method : Please make sure the surface is thoroughly cleaned to remove any dirt， dust and let the surface be completely dry. Peel off and stick this visor shield along the rear view mirror edge. Use two hands to hold it for about one min so the double side tape can better stick. You can also use a hair dryer or heat gun to sufficiently heat up the tape; this will allow the adhesive to better activate and bond to the surface. Installation Method : 1.    Clear rear view mirror， to ensure clean， dry， no oil 2.    Peel off the protective layer of double-sided adhesive 3.    Along attached to the inside rear-view mirror What's in the box : - 2 x Car Rear View Side Mirror Anti Rain Water