and High quality. Reduce glare, sun 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 bottle filled with water, add a little detergent entered, Sprayed on the of the glass and film The membrane attached to the glass, and then peel off that layer of transparent protective film Attached to the mask on top of window film (to prevent mirror film being scratched) Use a scraper except air and excess water The film Collage with a spatula repair neat Installation instructions: Before paste,must clean the window,don't 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 contrast of light to decide. After posted daytime indoor look outside very clear, Outdoor basically can not see the room. The evening can be seen inside and outside, remember to hang curtains. Package included: 4 x Window film Only the above package content, other products are not included. Note: Light reflection 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.