Are these Bowls microwave safe Yes they are made of hightemperature fired ceramics that can withstand up to 450 degrees Fahrenheit What are these lids made of Can they be used in the microwave They are made of PP material and can be used in a microwave but must keep the top pop up And please note that the lids cannot be used in the oven Why is ceramic a good food and beverage container Porcelain bowls can adapt to high and low temperature environments The smooth glaze surface is easy to clean and resists stains and odors They do not affect the taste of food and are suitable for all kinds of cold or hot foods Microwave Safe Bowls Ceramic material is highly suitable for use as tableware and is microwave safe However please remove the lid or open the ventilation hole on top of the lid Double handle design Large capacity with double handle design it wont get hot and is easy to hold Previous page Next page 1 Versatile Bowl 2 Greate for Lunch Bowl 3 Easy to Clean 4 Portable Bowl How to Use Them Cover the Lid Step 1 Pop the vent before cover the lid Cover the Lid Step 2 After covering the bowl lid gently press the lid and then cover the vent Open the Lid Step 1 Pop the vent before open the lid Open the Lid Step 2 Then you can remove the lid easily How many do you need Set of 1 Set of 2 Set of 4 Characteristic 32 oz large capacity large handle easy to hold and move Characteristic 32 oz large capacity large handle easy to hold and move Characteristic 32 oz large capacity large handle easy to hold and move Ceramic Material Microwave safe Diswasher safe Ceramic Material Microwave safe Diswasher safe Ceramic Material Microwave safe Diswasher safe Occasion Daily life working lunch breakfast meal prep Occasion Daily life working lunch breakfast meal prep Occasion Daily life working lunch breakfast meal prep