473 ml. 14 hours hot. 47 hours cold. Stainless steel. Food safe. Klean Coat: Durable finish. Leafproof. TK Closure: For top thermal performance. Climate Lock: Vacuum insulation. Choose Stainless: won't shatter or rust; doesn't impart flavors. Certified B Corporation. 1% for The Planet member. BPA and toxin-free. Designed in Chico, California. Responsibly made in China.