100% New and High quality. Reduce , block effect. Help save energy costs and keep your rooms or offices cooler. a complete daytime privacy space. Office,home, office, etc. can be used. Material:PET(Polyethylene terephthalate) size:30*100cm Color: Silver Type: One Way Mirror How to use: Tear protective film Prepare a spray filled with water, add a little detergent entered, Sprayed on the surface of the glass and film The membrane attached to the glass, and then off that layer of transparent protective film Attached to the mask on top of window film (to prevent mirror film being scratched) Use a except air and excess water The film Collage with a spatula repair Installation instructions: paste,must clean the window,'t residue any oil and impurities. Using gummed paper to install,then cut the film to a suitable size. After paste,the film should be standing about 7 hours under the condition of without external force to the gummed paper can completely stick to window. Note: This is a one-way mirror film. Itself is transparent, privacy effect is by the strength of of light to decide. After posted daytime indoor look outside clear, Outdoor basically can not see the room. The can be seen inside and outside, to hang curtains. Package included: 1 x Window film Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.