From 3C Etching, we bring you the Custom Order - Slim Koozie. Available in black, navy, teal, and pink, this insulated mug/tumbler is a practical addition to your collection. Born from a challenging time when our twin daughters were born 3 months early, our products carry a sense of practicality. Enjoy your beverages at the right temperature, anytime, anywhere with our Slim Koozie.