The stainless steel water bottle is of high quality lasting several years of use. Its inner bottle is made from food grade 304 stainless steel. 17 ounce capacity is perfect for staying hydrated while behind a desk at work, at school or spending time outdoors. It is easy to clean, fill, and drink from. Full colour customizable, so personalize away! Hand wash only. The vacuum insulated thermal bottle is rated 12 hours for hot liquids and 24 hours for cold liquids.