The Aquatix Tumblers are perfect for use at the gym, at the office, around your house and anywhere you need to take your beverage of choice with you. Made from durable and sturdy PREMIUM QUALITY, Top Chef 18/8 FOOD GRADE STAINLESS STEEL, the Tumblers are eco friendly. The double wall insulated Tumblers are PERFECT for carrying while walking, hiking, camping, use at the gym or just on the go- as it fits great in most car cup holders. No more spills and messes while driving! Ditch those plastic water bottles! GO HEALTHY with this BPA Free, FOOD GRADE stainless steel Tumblers that holds a large capacity of liquids 19/19/29 fluid ounces and no longer worry about toxins and chemicals leaching into your beverage. Just Fill and Go! Stay hydrated and DRINK MORE WATER with these large capacity 19/19/29 ounce Tumblers. Double vacuum insulated wall construction contributes to hot teas, soup, coffee or other blends being consistently hot for hours. And maintains the cold for water, sports drinks, smoothies, juices for most of the day. The Tumblers will not "sweat", meaning it will not create condensation which may leave a "ring" of liquid on your expensive buried walnut side table. Easy to hand wash or clean, NO aftertaste after cleaning. COLD LIQUIDS or HOT LIQUIDS! These are double wall insulated Tumblers that are made of 18/8 food grade stainless steel! No other Cruiser or Tumbler has all the features of our Aquatix Tumblers!