... 3.Factory price 4.Punctual delivery all kinds of rubber 1.The hottest new fashion accessory! 2.Accept printing ... . Made of high quality food grade silicone material, other rubber material also available, such as Viton,NR, NBR, CR ... Specification:all kinds of rubber ItemHigh-class elastic eco-friendly NBR rubber grommets DescriptionWidely used in bathroom product, valve, faucet, machine, hydraumatic ...