Key benefits - Non adhesive backing weather stripping that is durable and resists fiber shedding - Blocks dust and reduces noise to help keep your space cleaner and quieter - Suitable for sliding doors and windows, providing a flexible seal along bottom and sides - Long, continuous length of 19.7 feet with a cross section of 0.22 inch by 1/4 inch Specifications - Use for sliding doors and windows - Size: 0.22 inch x 1/4 inch x 19.7 feet (Bottom Width x Height x Length) How to choose the right size - For best results, select a fiber length that is larger than the gap by 1-2 mm - Please measure the gaps you need to insert into, then choose the right size - If you are unsure, you can ask us for help to determine the correct fit Practical use scenarios - Scenario 1: Residential sliding patio door in a dusty entry or garage area. Install to reduce dust ingress and minimize outside noise. - Scenario 2: Sliding windows in an urban apartment. Use to seal drafts and dampen street noise while improving overall comfort. - Scenario 3: Office or living space with sliding room dividers. Apply along the bottom edge to block dust and create a quieter environment without adhesive residue on frames Additional notes - This product is designed for gaps where fiber length can be selected to exceed the gap by 1-2 mm - Measure gaps carefully and choose the correct size; you can also contact us for guidance