Known for their sports bottles, Hydro Flask now brings back the classic thermos bottle with a mug. Take your favorite hot or cold drinks with you and enjoy them on the spot. The insulation is powerful enough to keep hot drinks warm for up to 30 hours, and cold drinks refreshingly cool for just as long. - All parts are dishwasher safe - Leak-proof cap design - Made of stainless steel that won't transfer flavors or odors to your drinks - Double-wall construction (TempShield) with vacuum insulation - Carrying handle The product is BPA-free. Do not place this product or any of its parts on a stove, in a microwave, or in a freezer.