1. ThreeLayer Structure: It features a threelayer design (waterproof technical fabric – white silk cotton – waterproof technical fabric) with sealing performance, effectively blocking cold drafts and maintaining indoor warmth during winter, thereby saving energy and reducing heating costs. 2. Continuous Magnetic Strip: Equipped with a seamless backstyle magnetic strip featuring magnetic energy product and coercive force 1.5 times stronger than standard suction, capable of supporting a weight 640 times its own, ensuring sealing and closure. 3. NoHole Installation: The adhesive installation method combines a density hook surface with strong back adhesive, ensuring a secure and longlasting bond that remains stable during use. 4. Multifunctional: This winter door cover not only blocks cold air but also enhances home ambiance and yearround comfort. Magnetic curtains block light, quickly partition spaces, reduce external noise, and prevent outsiders from seeing inside your home.