Elegant and practical, this insulated stainless steel water bottle is perfect for keeping drinks cool or warm when on the go. Try water, tea, herbal tea, fruit infusions or even soup. Perfect for the school run, train or car journeys and whilst away on holiday.They're made of high quality two layer stainless steel to keep your drinks warm up to 12 hours and cold up to 24 hours! Size is 500ML Leak proof guaranteed Resistant to corrosion Does not alter flavours and taste Hand wash only. Not suitable for carbonated drinks due to build up of pressure.