Package List: You will receive a roll of 3 cm/1.18 inches wide and 10 m/32.81 feet long window seal tape. The back is coated with a synthetic rubber adhesive for strong adhesion and a good seal. It adheres firmly to windows to keep your home away from the cold and meets your daily use and replacement needs. Safety Materials: Our self-adhesive window seal is made of high-quality environmentally friendly acrylic materials and a powerful back adhesive for a long-lasting seal. It adheres firmly, without residue, without damaging surfaces, without leaving any residue upon removal, and without removing paint from windows to make your home more comfortable and energy-efficient. Easy to Use: Easy to install without tools. Clean the surface before use, then measure the length of the gap between the doors and windows, cut the weather-resistant tape to the appropriate size, trim it with scissors, and adhere it to the area where sealing is required. Simply press gently to tighten it. Energy Saving: Weather-sealing tape can block airflow, keeping winters warm and comfortable and summers cool and comfortable, thereby reducing energy bills. A good sealing effect can prevent airflow, dust, rain, and smoke from entering through the window cracks, waterproof, moisture-proof, and cold-proof, providing you with a healthy and comfortable living environment. Wide Application: Our insulated window seal has excellent sealing properties and can be applied to various sealing and maintenance tasks in your daily life, including wood, plastic, glass, aluminum, etc. It is widely used in door seams, door frames, window gaps and all kinds of gaps where air leakage is possible for locking and long-lasting sealing.