Featuring a thermally induced vacuum, this innovative and sleek flask will keep you drinks hot for up to 8 hours and cold for up to 24 hours. Cut from stainless steel, this robust flask allows you to enjoy brimming hot soup or a brew as a reward when you\'ve reached the summit.Sleek stainless steel vacuum 1 litre flask from LifeventureStainless steel lid - doubles up as a cup.High-quality food grade stainless steelAscrew-in stopper providedConforms to British standards (EN12546-11:2000)Capacity: 1 litreRecommended activity - hiking / trekking / camping