Leakage-proof Silicone Rubber Ring For Vacuum Insulated Water Bottle

When choosing vacuum insulated water bottle, most people usually only care about stainless steel, but ignore the waterproof rubber ring of the cover. Because this leak-proof silicone rubber ring will be in contact with beverages, it is necessary to choose silicone rubber material without BPA, heat resistance and food grade, and it is best to remove and clean it, so as to reduce the possibility of dirt residue and mildew.