Size: 9 oz - The Frost-Flex shatterproof cups are made of flexible, translucent plastic with a frosted finish, and a unique stackable design. Ideal for wine sipping, parties, tailgating, wedding receptions and places where glass is prohibited. Eco friendly and recyclable! The Frost-Flex also features large imprint areas that can be printed with your logo or message of choice. Made and printed in the USA. Prop 65 Compliant. Frost Flex cups sometimes have scratches or rub marks from the molding process. These are not considered defects.