Heat insulation effect suitable for both winter and summer, effectively resisting cold wind and maintaining indoor temperature. Easy to install with a hemming design, hand-sewn and double stitching for better sealing and fit. Soundproofing and sound insulation, keeping rooms warm in winter and cool in summer while reducing utility bills. Self-adhesive design for easy installation and removal, compatible with clean, flat, and smooth surfaces. The thermal curtain is suitable for both winter and summer. Effectively resist cold wind, maintain indoor temperature, reduce outdoor temperature noise, and create a cool summer and warm winter. Windproof and waterproof, isolate oily smoke. Suitable for all places: kitchen, bedroom, bathroom, living room, dining room, office. The window seal kits keep your room warm and insulated in winter. Prevent heat from entering your room in summer. At the same time, the door and window insulation panel also has the function of dustproof and windproof. Color: As Shown Material: Flannel Package Contents: 1*Window Insulation Kits