Energy-saving curtain liner: Cool in summer, warm in winter, improves air conditioning efficiency, light-filtering type, UV cut rate 62%, saves energy, easy to install, comes with hooks for immediate use, length can be freely cut, thermal insulation curtain liner, window, heat-shielding curtain, all-season, summer and winter use (approx. width 100cm x length 200cm, set of 2, clear) Color: Clear Material: Polyacetal, Vinyl Chloride Resin Product Dimensions: 2 length x 1 width m Opacity: Sheer Features: UV Protection, Antibacterial, Insulation, Washable, Adjustable 【Comfortable All Year Round & Energy Saving】Effectively blocks cold air and heat from entering through the window. Prevents cold air in winter to improve heating efficiency, and cuts off heat in summer to improve cooling efficiency. Reduces waste of air conditioning and heating, making it comfortable and energy-saving throughout the year. Also helps save on electricity bills. 【UV Protection】Cuts off UV rays, which are enemies of the skin and furniture, not only in summer but also in winter! Prevents skin problems caused by UV rays, as well as fading and deterioration of furniture. 【Light-filtering type: Maintains brightness while providing privacy】Semi-transparent light-filtering type that allows natural light to enter moderately. The room does not become dark even when the curtains are closed, creating a bright and comfortable space during the day. Recommended for living rooms and dining rooms where you want to enjoy natural light while blocking the view from outside. 【Product Specifications】*Composition: Main body/Vinyl Chloride Resin, S-hook/Polyacetal. Comes with S-hook hooks for immediate use! Furthermore, it can be cut to your desired length with scissors or a cutter, so you can freely adjust it to the size of your window.