473 ml. Food safe. Stainless steel. 10 hours hot. 30 hours hot. Certified B corporation. Leak proof. Simple twist lid. 1% for the planet member. Food safe. Choose Stainless: Won't shatter or rust; BPA and toxin-free; Doesn't impart flavors. KleanKanteen.com. 18/8 food-grade stainless steel. Vacuum insulated. Designed in Chico, California. Responsibly made in China.