Yes, the effect reverses. This is the science of all one-way mirror products. The mirror effect works when the outside is brighter than the inside. At night, when your lights are on, the inside is brighter, so people can see in. For 100% nighttime privacy, simply pair your KayBlinds with curtains or drapes.

When installed correctly on a clean, flat glass surface, our high-power suction cups create a powerful, long-lasting hold. Be sure to clean the glass thoroughly before application.

It will not black out your room. It creates a comfortable, tinted "sunglasses" effect. Our 6.3% VLT (Visible Light Transmission) model is designed to cut harsh glare, not eliminate all light. Your room will feel more comfortable and airy, not dark or gloomy.

Absolutely! The no-drill suction cup installation is perfect for renters. It causes zero damage to the window or frame and can be removed in seconds.

Simply use a soft, damp cloth (like a microfiber towel) and wipe gently. Do not use abrasive cleaners or paper towels, as they can scratch the film.