[ 100% Silicone Material ] : Compared with foam and EPDM materials on the market, silica gel has higher density, better toughness, loPnger life and quite strong temperature resistance. Raw materials are more expensive, ensuring quality while also being more aesthetically pleasing | [ Newly Upgraded Adhesive ] : Upgraded transparent hot melt adhesive ensures the longest adhesion, simple operation, and super easy to peel and stick. Attention: Applying the given adhesive aid on the surface before using the sealing strip can make it adhere tighter and more firmly over time | [ 6 Protections for Doors & Windows ] : 1. Windproof/2. Dust proof/3. Waterproof/4. Insect proof 5. Light proof/6. Noise reduction. Fill the gaps between your doors and windows in all directions, always taking care of your and your family's life and health, and no longer worrying about the above troubles | [ Super Flexibility & Trimmability ] : The silicone material throughout the body ensures that the sealing strip is soft enough to flexibly handle any door and window gap. A roll of 20FT size is suitable for most doors and windows, and can be cut in any length. The optimal gap range for use is 3mm~6mm | [ Precautions for Use ] : Before sticking, please wipe the surface of the adhesive clean to ensure there is no dust. Using adhesive aids can effectively ensure that the product is more firm. If you have any questions, please contact us as a seller in a timely manner, and we can answer your questions and provide solutions