Renowned Tritan (TM) plastic is crystal clear and impact & shatter resistant | Decoration is sealed between the two walls; protected it from wear | What is your favorite decoration: Full color, embroidered or dome? | Optional inserts: glitter, diamond and chrome | Optional gift boxes available for additional fee: single, 2-pack or 4-pack | Double wall: does not sweat when cold or burn your hand when hot | Dishwasher, freezer, and microwave-safe | Colored lid and matching 9" straw included | Made in the USA | BPA Free, meets FDA requirements, and Proposition 65 Compliant