The 16 oz bubba brands raptor bottle is designed for personal use, and is perfect for use at home, at work, in the car, or at the gym. Holding two cups, it's the perfect size to keep you hydrated during your workout and throughout the day. Dual walls constructed of Eastman Tritan material (BPA Free) insulates your drink to keep temperature transfer to a minimum. Dual Wall Construction Creates a Insulating Barrier. Keeping Beverage Inside Bottle fom Changing Temperatures. Keeps Cold Beverages Cold for 6 Hours. Fits In Most Car Cup Holders. Tumbler Does Not "Sweat". Dishwasher Safe.