High high quality material, performs properly in waterproof, dustproof and soundproof.Strong tensile energy and nice elastic, best flexibility.It is non-toxic, tasteless, elastic and ideal in excessive and coffee temperature resistance.Reducing the pavement and wind noise cross into the car, recovering the driving consolation and fending off the dirt and rain into the car.The voice are steady and heavy when switch the auto door, remove collide sound when closed the auto door. Specification:Name: Double layer B shape seal stripLength: 5m/10mProduct size: 10mmX11mmColor: BlackFeature 1: Preferred rubber materialFeature 2: Universal for all carsPackage 1 x 5/10m Car Seal Strip