... good sealing performance 5.material:rubber /PVC/EPDM door and window gap sealRubber assorts performance :1.good sealing performance ... ' design, such as rubber tube, rubber cord, door and window seals, weather strip, u channle, glazing rubber seals ... insulation ,damping ,Resistant acid-baseantiage ,more flexble,antioxidant Company CapacityDelivery time 15-20 days after confirming the orderCapacity ...