Molded from 100 recyclable, white styrofoam and maintains temperature of hot or cold liquids. (Not manufactured with chlorofluorocarbons âCFCsã which deplete the ozone.) 1000/16-ounce cups per case. SWPlus reference number: 645.1085 Qty. Per Pack: 1000 The Plastic Pollution Prevention and Packaging Producer Responsibility Act California (SB54) foam ban prohibits the sale of this product in California.