... -20c to 400c food-grade silicone bowl lid safe for oven,microwave,can pass FDA,LFGB silicone sealing lid 1) made of ... 100% silicone 2) Endure -40C to 220C 3) Suitable ... -freezeFeatures:1 FDA & LFGB Certification2 Made of 100% food-grade silicone, safe and non-toxic, easy to wash3 Anti-dust, anti ...