Silicone cup cover: 1.Made of 100% silicone 2.Non- toxic,heat resistance ... ,LFGB,SGS approved 4.OEM,ODM service provided Silicone cup cover:1)100%food-grade(FDA, LFGB ,SGS) silicone material, non ... 250 degrees Celsius 3)More durable and longer lifetime 4)flexible and easy clean5)Dish washer and microwave use safe6)any ...