Product Features: 1.GLUE-FREE STICKER:By using technology of static,the window film can stick to the glass without any glue,so it is easy to apply,and reusable. 2.EASY REMOVABLE WINDOW FILM:It is very easy to remove the window film without any damage to itself or any stain on the glass either. 3.EXTENSIVE USE - This product mainly used on smooth glass surfaces (such as window, sliding doors, glass table, glass cabinet and so on. Good for home/office/store use.) 4.ULTRAVIOLET-PROOF - 90% anti-UV, provide good privacy but still let soft light in, prevent your furniture from fading. Heat insulation in the summer and heat preservation in the winter.Applicable For Most Cases) 5.PRIVACY WINDOW FILM: 30 days return policy guarantee against any product defects guarantee. Our Window Film Will Make Your House Or Office Modern And Fashionable. Ready For Decorating Your Home. Use Steps: Step 01. Keep Window or Glass clean Step 02. Wet the Window or Glass with water(Soapy water will be the best choice) Step 03. Remove from backing protect sheet(which is a kind of clear vinyl, please MAKE SURE remove it before you apply the window film to glass) Step 04. Apply to wet glass and smooth with hands Step 05. Squeegee away water and air bubbles. Seller Tips: 1. The adhesive effect of the film may not be good in winter. Solution: before application, use hair dryer to make it soft( heat resistance is under 176??F) 2. Fit for smooth surface without any dust or fiber. 3. Do not apply to outside window or windows with cracks. 4. More efficient in teamwork, a product of energy saving and environmentally friendly. 5. Affix tape on both sides to remove the window film from backing film. *Only Applies on Smooth Glass Surfaces*