Product Description Features Protect Your House Excellent aging resistance. Reduce the noise from outside and the sliding door slamming, give you a quiet and comfortable living environment. Weatherstrip for doors and windows This kind of sealing strip is made of durable materials, which can protect your family health and make you feel at ease. Energy saving It takes long time to cold down in summer and warming up in winter when you use air conditioner, that is because the cold air go aways from the crack under the door. This door seal caulk will block the cold and hot air cross, saving energy, help you reduce electric cost. Explain: This sealing strip helps you prevent airflow and air leakage and save energy. It can also be used for wind, sound, cold, and collision. Farewell to the endless window leakage and noise, bringing you a comfortable life.PACKAGE: 2Roll seal strip(3m/roll, total 6m)