Silicone lid; 1) Made of 100% silicone or rubber. 2)Available in any design ... NR, EPDM, VMQ, FKM, LAS, FVMQ, FFKM and Silicone (Food grade and high transparent);Standards:SGS, UL, RoHs, ... black, red, blue, yellow for rubber material, for silicone, any colors are available according to your panton #; ... accept OEM service.Please see the photos of the silicone rubber parts for your reference: Please see the ...