2.It can be reused again and again if dried with a hair dryer, after 12 hours,you can use. Step 3:Stick on the wall. 4.Please keep out of children and thank you for your order. 1 x fogless mirror set. Step 4:Finished good. Step 1:Open the tool kit and clean up the mirror. Step 2:Gently tear off the adhesive protective film. Step 1:Dry the wall with towel. Step 1:Clean and dry the smooth surface. Step 5:Tear open the NO.2(back) film. Step 2:Evenly spray water,tear open the NO.1 (front) film. 3.Installation steps for Stick Hook,Sunction cup or Multifunctional hooks. Step 4:Pull down the hook and lock it. 3.For suction cup,it is easy ,just put the suction cup into wall after cleaning drying the surface. Step 2:Remove the transparent protective film. There are two membrane in stock,after half year you can replace another one to make the effect better. Step 3:Fit to the right position. Step 4:Extrude the bubbles with a scraper. 1.Peel off the protective film before using.This is the most important. 1.Just clean and dry the surface,then put the hook on smooth surface.Easy to clean and re-position without surface damage. Step 3:The front film is attached to the mirror. 2.Installation steps for anti-fog and anti-rain membrane.