Can be used as a thermal bottle with a thermal insert (500 ml capacity) or without (650 ml capacity).Perfect for trail riding, gym sessions or long walks.Compact design with a four-hour thermal capacity.BPA-Free construction with interior foam and an aluminium membrane.223 mm height (8.78'') and 74 mm (2.91'') width.Protective cap!Complies with food contact regulation: 10/2011.