One Busy Life 30 oz Black Stainless Steel Tumbler - Insulated with a Twist to Close Lid and Bonus Straw Guaranteed to Keep Cold or Hot Drinks for Your TRAVEL MUG Keeps Drinks ICE COLD for 24 hours or piping hot for 6- 8 hours. BPA free lid and straw INSULATED SWEAT PROOF SEAMLESS double walls. This creates a vacuum within the wall which retains the beverage temperature and guarantees to keep your drink hot or cold  Thats the science that keeps your desk, counters and hands dry POWDER COATED COLOR process assures uniform permanent non chipping color. Available in Hot Pink, Blue, Black and Lime Green. Tumblers with color are distinct in your group of friends everywhere your busy life takes you  football or soccer tailgate, yoga, camping, boating, fishing, hunting or traveling SLENDER bottom fits in vehicle's drink holders. We know you carry drinks with you so we made sure it fits in the car truck and boat EXTRA THICK 18/8 KITCHEN GRADE STAINLESS STEEL Thicker than other cups on the market