The Wide Mouth Vacuum Flask from Lifeventure:

Vacuum-sealed wall keeps drinks hot for 8 hours or cool for up to 24 hours
Stainless steel lid can be used as a cup
Second 'buddy' cup in the lid
Retractable side handle
Removable shoulder strap
Exceeds requirements for British Standards
OPTIONS: 0.75 Litres, 1.0 Litres

Select your option

0.75L                   15 days 1.0 Litre               7 days