Super Flexible and Adjustable: The whole body of silicone material ensures that the sealing strip is soft enough to flexibly handle any door and window gaps. A roll of 50.8 meters is suitable for most doors and windows and can be cut to any length. The best use gap range is 3mm~6mm100% Silicone Material: Compared with foam and EPDM materials on the market, silicone has higher density, better toughness, longer life and high temperature resistance. The raw materials are more expensive, ensuring quality while being more beautifulNewly upgraded adhesive: The upgraded transparent hot melt adhesive ensures the longest adhesion, simple operation, super easy to peel and stick. Note: Applying the given adhesive auxiliary sticker on the surface before using the sealing strip will make the sealing strip tighter and stronger over time6 types of door and window protection: 1. Windproof / 2. Dustproof / 3. Waterproof / 4. Insect-proof 5. Light-proof / 6. Noise reduction. Fill the gaps between doors and windows from all directions, always take care of the life and health of you and your family, no longer worry about the above troublesPrecautions for use: Before pasting, please wipe the surface of the adhesive clean to ensure that there is no dust. The use of adhesive can effectively ensure that the product is more solid. If you have any questions, please contact us as a seller in time, we can answer your questions and provide solutions