1.18 l. 40 oz wide mouth with flex cap. Wide mouth. Colder. Hotter. Longer. Let's go! 18/18. Pro-grade stainless steel. Color last coating. BPA free & toxin free. Dishwasher safe. Cold 24 hours. Hot 12 hours. TempShield: Double wall vacuum insulation. Our unique insulation keeps your drink cold or hot for hours so you can stay refreshed for any adventure. HydroFlask.com. Made in China. Designed in Bend, OR.