1 For aluminum window, outside door 2 Good seal, avoiding insect, dust, wind leakage, ... 1 Suitable for the aluminum profile's grooves, eg, wardrobe, window.2 Be dust proof & wind proof & moisture proof & low ... Use method: a) Clean the profile groove surface before inserting; b) Cut the inserted edge to be angle, then insert section ... then cut the length based on the profile. WEATHERSTRIPPING FOR WINDOW