... Flexibility is good 3.Waterproof for machine 4.OEM size Silicone rubber o ring with high tension for Auto parts Features:1. ... shipmentTop-Service: mutually beneficial, sincere cooperation, factory direct sale, high quality, competitive price, quick delivery time and best service.Ensure:1 ... 2. The principle of our company is: sincere service, quality first, the customer is supreme 3. Delivery rate was ...