Helps prevent air leakage and maintain stable internal temperature，Reduces outside interference and brings quieter driving surroundings. Buffering and wear-protective design, smooth window lifting without jamming, eliminates driving abnormal noise Waterproof, dustproof and wind-tight, tightly prevent rainwater, dust and sundries from seeping into the car 4pcs Car Outer Windows Rubber Weatherstrip Sealing Strip For Nissan For X-Trail T31 2008 2009 2010 2011 2012 2013 Tightly covers gaps to stop impurities from entering the car，Buffers slight vibration and collision between adjacent automotive components., Manufacturer: HRQCTIM