... quality 4.Material: Fluorine rubber,AFLAS rubber ect Protecting Device Capsule(rubber) 1.Pass ISO 9001 2.Free sample 3.high ... factory found in 2001,and specializes in producing Protecting device capsule.The material is Fluorine,silicon rubber,high saturation cube nitrile ... is steady,firmly get user's favorable comment. Protecting Device Capsule(rubber)