... .factory price cheap and nice quality custom design silicone pump seal Featurewidely used in industory ,including building ,automotive ... -toxic, non-corrosiveness. 3.Function: soft,smooth ,flexible,and water-resistant,excellent abrasion resistant,excellent protection on ... ODM are available.2.Material : 100% top grade silicone material ,durable ,odorless,non-corrosive and environmentally-friendly ...