The Carter Cold Tumbler w/ Straw is designed with a ceramic interior that holds your drink’s temperature for 18+ hours. Whether you’re at the beach or just dreaming about it—Carter Cold carries your cold brew, cocktails, or kombucha in style, wherever you chill. Fits in most cup holders. Tumbler is hand wash only. Lid and straw are top-rack dishwasher safe; hand wash recommended. Also available in a 16 oz size.