Window film-saving money and time and making installation easier. Window privacy film-one-way privacy window film, suitable for home. When the indoor light is weaker than the outdoor light during the day, the outside looks like a mirror. Thermal control window film-the film that reduces heat can block 99% ultraviolet rays and more than 80% infrared rays, and you will feel obvious cooling feeling after installation. It allows the air conditioner to reach a constant temperature faster and saves electricity. High-definition window film-more durable and clearer than PVC window film, refusing to the beautiful outdoor scenery. Scope of application-used for window decoration of all smooth glass surfaces, such as living room, kitchen, bedroom office and balcony sliding door. size: 50cm x 5M Material: plastic colour: black Package Contents: 1 x Insulation 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.