Prevents airflow resonance noise caused by gaps during driving. Car Seal Strip V Shape Side Window Sealing Rubber Filler Noise Insulation Weatherstrip Sealant. Sealing strips effectively solve problems such as window leaks, shaking, and abnormal noises, and also isolate road noise. The sealing strips are made of rubber, making them impact-resistant, stable, and durable. Waterproofing: Sealing strips can prevent rainwater or other liquids from seeping into the car interior to a certain extent., Manufacturer: Liqiao