Schwarze, einseitig durchsichtige, elektrostatische, klebstofffreie Wärmedämmfolie für Fenster, 17,5 x 39,4 Zoll

[Heat Insulation, Energy Saving, Basic Parameters] One-way vision window film blocks 80% of infrared rays and 85% of ultraviolet rays, reducing indoor fading and aging. This heat-insulating window film keeps the room warm in winter and provides insulation in summer, effectively reducing expensive heating and cooling costs. [Electrostatic Cleaning, Adhesive-Free Material] This self-adhesive privacy window film requires no glue, releases no chemicals, and is very easy to install; simply ensure the window surface is completely clean and free of any stains. Be sure to thoroughly clean the adhesive side of the window film and the window surface with a generous amount of soapy water. [Moderate Thickness, Excellent Quality] The window film has excellent heat insulation properties, a scratch-resistant layer, is abrasion-resistant, does not fade or bubble, is easy to remove, and is economical and practical. [Privacy Protection] Please be aware of privacy; the privacy effect differs between day and night. One-way vision window film only provides good privacy protection during the day, with the outer glass having a mirror effect. As outdoor light decreases, the mirror effect on the outer glass gradually disappears, allowing people to see inside from the outside. When indoor light is stronger than outdoor light, the mirror effect is reversed. Please remember to draw the curtains at night. [Aesthetically pleasing and environmentally friendly] One-way vision window film is made of environmentally friendly materials and contains no harmful substances. It offers excellent transparency and aesthetics, helping to enhance the beauty of building exteriors. Please note: When ordering multiple pieces, the length is continuous and will not be cut.