[Strong Adhesive Backing] The window frame accessory features an integrated grid adhesive backing design that offers superior adhesion compared to general sealing tapes. This ensures the strip stays firmly in place, providing durability and long-lasting use. For optimal adhesion in cold weather, simply warm the adhesive backing with a hairdryer to enhance its stickiness. [Durable and Waterproof Material] Our door sealing strip is made of high-hardness polyester film heat-shrink packaging material that is both waterproof and durable. The smooth operation of doors and windows is ensured as it prevents scratches and damage. Thanks to its high elasticity, the strip can be squeezed and bent without losing its shape, guaranteeing a long-lasting sealing effect that does not interfere with the functionality of doors or windows. [Easy to Install and Cut] The Fowong air conditioner window seal is designed for hassle-free installation. The tape can be easily cut to any length you need, and the adhesive backing ensures quick and secure application. Whether you are sealing gaps around your air conditioning unit or By insulating doors and windows, this product offers a simple solution for improving energy efficiency and reducing noise. [Versatile Application] This wedge-shaped door sealing strip is designed for use in a wide range of applications, including sliding windows, casement windows, awning windows, sliding doors, floor doors, exterior doors, interior doors, front doors, and even cabinets. It is compatible with doors and windows made of various materials, such as wood, glass, plastic, and metal, making it a versatile solution for any home. [Ultra-Soft and Adjustable Foam] The Sp sauce foam is incredibly soft and moldable, allowing you to effortlessly adjust the installation angle to fit any space. The deep gray foam provides excellent light blocking and perfectly fills gaps ranging from 0.17 inches to 0.39 inches. This makes it perfect for various door and window sizes, ensuring a perfect fit every time.