Why choose Ursend Weather Stripping Seal ?: 1.The cracks and gaps are around our house doors and windows will cause so many problems, such as annoyed dust, noise, cold wind, water leakage, etc. 2.This weatherproof strip adhesive can get rid of all these problems, it has excellent windproof, soundproof and waterproof performance, help you block drafts and air leaks. Helps to save energy, maintain warm,quiet and comfortable indoor environment and bring you a comfortable life. Matirial:EPDM foam. Length:8.2ft*2,total 16.4ft. Note:Please divide the seals and take single of it when applying this. 1.Bottom size approx.9 x 5.5mm, suit for gaps range from 0 to 5.5 mm. Each roll tape can be divided into 2 seals, each seal is 8.2ft in length, total 16.4ft. 2.Widely used for preventing wind,dust,sound,cold. Protect the window and door,reduce wear on window/door while open and close. 3.Foamed by EPDM, makes the weatherproof window door gasket own same smooth interior and exterior, excellent flexibility, high resilience and super durable. 4.Comes with adhesive, and it can be cropped according to your actual doors and windows size. 5.Buy with confidence. If you're not satisfied with this weather strip, just return it for full refund.