Stainless Steel Vacuum Insulated Thermos Mug Set with 2 Mugs, 1 L (24 Fl. Oz) Holds a generous 24 fl. oz. (1 L) just over 13 3/4 Inches (35 cm) long, It even comes with TWO mugs so you can share! Will fit neatly into even the smallest backpack or picnic basket. The ultimate in double-insulated vacuum bottles combines sleek, modern design with heavy duty easy-clean Teflon This handy flask easily maintains the temperature of hot or cold drinks for hours.