Guy Harvey's Insulated Tumblers are made in the USA from the finest materials. Keeps hot drinks hot & cold drinks cold. Reduces condensation and even float if dropped overboard! Dishwasher/microwave/freezer safe. Glass-clear shell and liner with leakproof lid. Manufacturer's lifetime guarantee and Guy's Incredible Art!! All designs available in 16oz. Pirate Shark, Recycler, Sea Turtle and Sailfish available in both 16oz and 24oz.