Enjoy your favorite hot or cold beverage anywhere you need to go whether it's to the office or to the park for a stroll, the Autism Speaks 15oz. Stainless Steel Water Bottle will keep your drink just how you like it. Double-wall, vacuum insulation keeps drinks hot for 5 hours or cold for 15 hours. Leak-proof locking caps keeps liquids sealed in tight. Stainless steel liner. Hand wash only.