Temperature Control: Designed for winter window insulation, thermal window cover provides excellent thermal insulation, effectively blocking out cold air from the outside. Window insulation for winter can keeps indoor warmth from escaping, while effectively blocking freezing air from entering. Premium Material: The outer layer of our thermal curtains for winter insulated is crafted from thickened, waterproof Oxford cloth, making it sturdy, durable, and easy to clean. The liner is made of thicker and denser cotton filling, effectively keeps draft out, prevents heat loss. Upgraded Hook and Loop Tape: The insulated window coverings for winter feature 1.57 inches widened, high-quality for strong adhesive. The Upgraded Hook and Loop Tape keeps insulated curtains for winter securely in place, ensuring reliable performance of the window insulation. Flexible Roll-up Design: Equipped with buckle straps at the top of the thermal window cover for winter, this window blanket can easily roll up and fix it in place, allowing you to easily open the window without removing. Size & Accessory: For a perfect fit, please measure the width and height of the window frame before purchase. Size:153x100cm Color:Gray Material:Cotton+Oxford Cloth Package Contents: 1 * thermal window cover 20 * nails 1 roll * Nylon Sticker