32 OZ BLACK TIE BOTTLE: Refresh on the go with this Hydro Flask insulated, stainless steel 20 oz Wide Mouth bottle and leakproof Chug Cap. The narrow chug spout provides a convenient, controlled flow to quickly quench your thirst. The wide mouth cap easily fits ice cubes to keep things cool. 24 HOURS COLD: The insulated bottle keeps drinks cold for 24 hours thanks to double-wall vacuum insulation. Hydro Flask water bottles feature TempShield insulation, keeping contents chilled all day. Flex Chug Cap not intended for use with hot drinks. LEAKPROOF: The Flex Chug Cap is leakproof when closed. Wide Mouth opening fits ice cubes, and delivers large water bottle hydration, while the Narrow Chug drinking spout provides for a convenient, controlled sip. Ideal for sport and anytime you need to have hydration ready to go. PURE TASTE: Durable pro-grade stainless steel ensures pure taste and no leftover flavor transfer. So, today's drinking water won't have any taste of yesterday's iced tea. BPA - Free DISHWASHER SAFE: Easy to use and easy to clean, just dissasemble, and toss the lid and bottles into the dishwasher. Designed to keep bright color, being dishwasher safe means your favorite Hydro Flask is always at-the-ready.