The AIRIA Wanderer is the ultimate drink ware for all functions. Whether you’re hiking in the summer heat tailgating in the fall or just having coffee on the way to work the AIRIA Wanderer will keep the desired climate within its double gasket spill-proof lid and dual walled vacuum tight seal. The 18/8 stainless steel matte finish AIRIA Wanderer is guaranteed to provide absolute cold and hot for a lifetime comes with a seven (7) year warranty against workmanship and manufacturing defects. Cleaning Instructions: Wash before first time use. After use hand wash your AIRIA Wanderer with soap and warm water. Not dishwasher safe. Never store in a freezer or place in a microwave oven.