473 ml. Improved 2x stronger than before. Your go-to cup for life on the move. Double-Layer: insulation. Easy Fit: lid. Extra-Sturdy: cup. If you have any questions or comments about Chinet please call toll-free 1.800.847.4129. Join Club Chinet at mychinet.com. Like us on Facebook.com/mychinet. Follow us on Instagram.com/mychinet. Follow us on Twitter.com/mychinet. Visit us on Pinterest.com/mychinet. Made in USA.