1. Material: comply to RoHS, silicone or rubber (NR, SBR, NBR, EPDM, FR and more) 2. ... colour and size are availa 1. Material: comply to RoHS, silicone or rubber (NR, SBR, NBR, EPDM, FR and more)2 ... , water,etc.8. According to your 2D,3D drawings or samples9. OEM and ODM orders are welcome Silicone rubbe coke ring button