Soft Kitchen Silicone Suction Lids and Food Covers(Green) -Set of 5 , Keep Food Fresh , Reusable , Microwave and Freezer Safe Safety- Made of 100% food grade material . Microwave and Dishwasher-Safe. can be used at the temperature between -40F to 450F. Easy to Use- Just press down the handle to create a good seal to make the food keep fresh. Multi-Purpose- 5 different sizes: 5",6",7",8",10". Can be used for most cups, pots, pans,bowls ... Eco-friend - Non-toxic ,safe for healthy . and it is BPA free . so also safe for baby . Easy clean - After using you can wash the lid easily. like wash your pan and glasses .