Dart 16FTL white (FTL means: flip tab lid) flat tear back lids are for the 12 oz, 16 oz, 20 oz foam cups as long as the cup model number ends with 16. They are designed to securely fit the Dart white foam cups. These lids keep the beverage at optimal serving temperature by sealing in the heat or cold.  We also sell a 16FTLS

They come in a case of 1000 lids.  ARCO  number 600372, UPC

Dac