... 3.Color:transparent With FDA approval food grade clear silicone o ring seals 1. Material: Silicone, othe material : EPDM, NR, NBR, ... gray, green, yellow, blue, red etc.5. Logo & Printing: According to your request.6. Certification: ISO9001: 2000, RoHS, REACH, FDA, SGS ... products, Machine, Armarium, Toy etc9. MOQ: 5000PCS or according to the products.10. Lead time of samples: 10working days.11 ...