This weather stripping comes with 2 seals, total 6 meters (3m x 2). You can divided it to single seal for narrow edge. Equably foamed by EPDM, makes the weatherproof window door gasket own same smooth interior and exterior, excellent flexibility, high resilience and super durable. Multi-hole design ensures the foam seal tape reduce noisy effectively; Strong resilience after extrusion, good for anti- collision; Windproof, dustproof, weatherproof and saving energy; Keep mosquito away. Widely used in all kinds of sliding window, sliding door, security door, closet door and etc., reduce damage of your doors and windows and reduce your energy consumption today!