1.Material: Window insulation kit, translucent EVA material, 4mm thickness, soft, tough, windproof, waterproof, good heat insulation, able to withstand low temperatures, still work well at low temperatures, easy to install and maintain, can be used for a long time. 2.Universal for all seasons: Insulation curtains are used to isolate one room from another, which can effectively prevent the loss of warm air in winter and prevent cold air from entering, and prevent cold air from escaping the room in summer, and keep hot air out. It can effectively maintain the temperature. 3.Easy to install or remove: No drilling is required, it only takes a few minutes to install, and when not in use, you can easily remove the curtain. 4.Wide application: Insulation curtains can be used for most windows, such as: aluminum alloy window frames, iron grilles, sliding windows, casement windows, bathroom windows, etc. Suitable for winter insulation of windows such as balconies, living rooms, kitchens, bedrooms, offices, etc. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store