Important : Since the red film of the 3M tape is hard to tear off, in order to tear off the film more easily, we changed the red film with "3M" on it to blue film, but the black Vhb Sticky Adhesive Pads is original 3M tape. Note : 1,Please don't stick the 3M stick adhesive pad on very soft, rugged, texture,grease surface or leather surface. 2,Please remove the residual glue and clean the surface. 3,The 3M Vhb adhesive pad is one-time use. please sealed preservation. 4,It is Recommended to wait at least 24 hours after stuck before using. The longer the adhesive time, the stronger the viscosity will be. 5,Peel off the yellow protective film and press it at least 2 minutes then wait for about 2 hours before peel off the other side red film. If the red protective film is hard to peel off, please press it back once and try to peel off it again, don't touch the gel with your hand after peel off. Easy installation ： Step 1 ,Remove the residual glue. Step 2 ,Clean and dry the car phone mount base completely. Step 3 ,Tear off the yellow protective film. Step 4 ,Stick it on the car phone mount base and press it at least 4 minutes for better connecting to the base, then wait for about 2 hours to tear off the other side red film. Step 5 ,Clean and dry the smooth and hard flat surface thoroughly to ensure there is no dust or debris. Step 6 ,Tear off the other side red protective film, Then stick it on the cleaned dash surface firmly and press it at least 5 minutes to ensure that the adhesive pad and the surface fully bond.It is recommended to wait for at least 24 hours before use.If you hard to tear off the red protective film, please press it back ,then tear off it again.Don't touch the gel with your hand after peel off the film. Package include : 4 X 3M Vhb adhesive pads 1 X use manual.