The product has never been used, the packaging was damaged during transport. Unopened product, repackaged in our warehouses, in perfect working condition, warranty available. Winter protection against cold, summer thermal protection door curtain: Made of premium Oxford material with built-in cotton, ensuring pleasant warmth. In summer, it can keep the room cool and prevent high temperatures from entering; in winter, it can keep the room warm and prevent winter cold, saving electricity and money and keeping your room or living room warm even during the cold winter months. 10. Premium material: The thermal insulation curtain is made of durable Oxford fabric, which is weather-resistant, waterproof, windproof, and warm. Environmentally friendly and durable. The soft cotton lining is thick enough, the fine stitching leaves no chance for the wind to penetrate to keep your home warm and comfortable during the cold winter season. The thicker structure of the material reduces noise from outside, thus ensuring a quiet and private space. Automatic closing: The thermally insulated door curtain consists of 34 extended magnets, tightly distributed, the stronger and more powerful magnetism for best sealing, to ensure a quick and automatic closing every time. Children and pets can learn to pass through it quickly. To facilitate opening and closing of the door curtain when entering and exiting and you have your hands free. Easy to install/remove: With Velcro closure and large pins (for wooden doors), no need to drill holes for installation. Comes with a German installation guide that can help you install easily. When not in use, you can easily take down the thermal door curtain and tear the tape easily. Use the inner dimensions of the door frame plus 6-10 cm and the outer dimensions of the frame plus 4-6 cm to choose the right size. Wide range of applications: Magnetic thermal door curtains can be used on various types of doors, front doors, bedroom doors, kitchen doors. Suitable for porches, balconies, bedrooms, kitchens, offices, garages, etc. Widely used for front door, air-conditioned room, boiler room, kitchen, balcony, hallway, shops, etc. The thermally insulated door curtain acts as a way to insulate one room from another, can also be used as a door replacement (if there is no door).