Window Privacy Film Tool Kit: Niviy one way window tint for home package also includes the installation tool kit you will need. The tools include wipes, knives, and squeegees (wipes in random colours). Saves money and time and makes installation easier Daytime Privacy: This window film heat blocking can only protect indoor privacy DURING THE DAY. But at night, when the light inside is stronger than outside, the mirror effect disappears. Remember to draw curtain during night UV Rejection & Glare Reduction: It effectively blocks 92% of UV rays and 85% of infrared rays, protecting your skin and preventing furniture from fading. Keep your home cool in summer and warm in winter, helping you save money on energy costs and making your home more comfortable Easy to Install: This self-adhesive window film with flimly glue, very easy to install and remove. Just make sure window surface is completely clean and absolutely free of any blemishes. Remember to use A LOT of soap/water mixture to soak both the adhesive side and window Application scope: Window privacy film one way is easy to install and offers great privacy, say goodbye to heavy curtains or blinds. Reflective window film is suitable for all smooth glass surfaces such as flat, clean, and smooth glass surfaces for decorating windows, doors, bathrooms, offices, bedrooms, flats, homes, and anywhere privacy is needed