ThermoThin™ core allows you to hold your cup comfortably while your beverage stays at the proper temperature. You'll cut down on costs because there's no need for double-cupping or cup sleeves. Seamless sidewall reinforces cup durability. Molded lip keeps lids on securely. Attractive coffee-themed design. Cup Type: Hot/Cold Cup; Interior Volume Capacity: 20 oz; Material(s): Paper-Wrapped Expanded Polystyrene; Material Type: Foam.