Thermal & Sound Insulation, Energy Friendly Our product made of double-glazed hollow glass, offers excellent thermal insulation and energy-saving benefits, significantly reducing cooling and heating costs, enhancing energy efficiency, and lowering building energy consumption. It also boasts superior sound insulation, meeting your pursuit of high-quality living. Frosted Glass Sticker To enhance your user experience, we specially include a roll of high-quality frosted sticker as a complimentary gift. Transparent windows allow for brighter indoor lighting, while applying the frosted sticker can effectively and significantly protect your privacy without compromising the light ingress. You can safely use it in residences, bathrooms, toilets, and other places. Durable and Easy to Install This product utilizes a vinyl material frame that is lightweight, sturdy, and energy-efficient.