The plastic lid can be used for hot soup cups and take away bowls to avoid spillage.  The lids with different sizes are made from professional plastic thermoforming machines.  The temperature resistance is from -5 to 110 degree Celsius. The plastic lid is made of food grade PP material, 100% safe to health and microwavable. Widely used in supermarkets in Taiwan, 850 dome lid is second-to-none choice for oden bowls. Different colors can be customized.  The lid fits 28-32 oz paper bowls.