Superior strength. Color-coded for easy size recognition when pulling from inventory. Lined with Ingeo™, a 100% annually renewable material made from plants. Polylactic acid (PLA) coated paper. While PLA is used for cold applications, when the PLA film is applied to paper such as our hot cups and soup cups, the PLA film takes on the properties of the paper and therefore does not melt or deform. Cup Type: Hot Cup; Interior Volume Capacity: 16 oz; Material(s): Polylactic Acid (PLA); Material Type: Plastic.