1 used for door and window 2 to seal the gaps between 2 frames 3 to avoid noise, insect, dust, water, moisture ... Use method: a) Clean the surface before sticking; b) Peel off the release paper backing section-by-section, stick in surface place, then press. If you were interested in our products, look forward to your inquiry, thank you. E TYPE WEATHER STRIP IN EPDM