- Material: high permeability membrane 2. Purpose: dustproof seal, soundproof seal, fixed seal 3. Properties: high temperature resistance, abrasion resistance, cold and wind resistance, warmth 4. Performance: corrosion resistance, aging resistance, wear resistance 5. Strong toughness and long service life 6. Paste firmly without hurting the wall 7. Weight: about 126-1300 grams, packaging weight 132 grams 8. Size: Choose according to the window area, it is recommended to choose a size larger than the window