... 3.Size could be customized 4.FDA approved Item Silicone rubber cup cover,sealing cap,magic lid Size Diameter:100mm,110mm ... embossed etc…Sample AvailableCertificate FDA & LFGBFeatures1. Made of 100 % silicone rubber with FDA & LFGB approval .2. Withstands temperature from -40 to ... :2000 approval and got FDA,LFGB,SGS ,RoHS certificates. silicone bottle caps