This is a 40oz tumbler made of 304 stainless steel, plastic, and BPA-free plastic. It features a drink-through lid, handle, and insulation that keeps beverages hot for up to 4 hours. The tumbler is decorated with a solid color and a Barbie character theme. It also includes a model number of 304 and a weight of 2.49 lb. The tumbler is suitable for hot or cold beverages and is designed to be break/chip resistant. It is a Stanley brand product made in China.