IRIS OHYAMA Water Vacuum Keeps Cold for 6 Easy Opening and Bottle, 1000ml, Insulated, Hours, Lock, One-Touch Closing, Blue, DB-1000

Size (including cover): Width 12.4 x Depth 9.3 x Height 27.5 cm (approx.) Cooling effect: 9 degrees or less (6 hours) Mass: approx. 510g Direct drinking type that can be drunk as is Designed specifically for keeping drinks cold. The double-walled vacuum structure keeps drinks cold for a long time. The 50mm opening makes it easy to fit large ice cubes. It only has three parts, so there's no need to wash up.