Constructed using professional-standard 18/8 stainless steel, this double-wall vacuum-insulated flask can keep drinks hot or cold for 12 hours. It has a smooth, soft feel exterior and a chunky, flexible handle for easy carrying or carabiner attachment.The 12 oz (354ml) size is perfect for a single serving of coffee and fits under most brewing systems. It also fits in standard-sized cup holders, ideal for sipping while you travel. Hydro Flask products are made to last and come with a limited lifetime warranty against manufacturer defects. Double-wall vacuum insulation Leakproof Flex Sip lid twists to lock or sipStrong and flexible handleSoft feel exterior 18/8 premium-grade steel BPA-Free and Phthalate-FreeTop rack dishwasher safeCompatible with Hydro Flask Wide Mouth Straw Lid Dimensions: 7.3 x 16.2 cmVolume: 12 oz (354 ml) Weight: 302 gColour: White