Start Today Double-Walled Insulated Glass Travel Mug with Lid- 15 OZ Glass Travel Mug with the Natural Bamboo Lid, EASY TO CLEAN. 100% healthy and environment safe mug. This Travel Cup holds 15OZ of your drinks, DOUBLE WALL is TEMPERATURE RESIST PROOF, You don't feel hot or cold in you hand Top Quality Unique Mug is made by high quality BOROSILICATE GLASS BPA FREE: The Mug is 100% BPA free. This mug is perfect fit for your daily indoor and outdoor activities. ECO FRIENDLY: No plastic is used in the Travel Cup, 100% ECO FRIENDLY