Go with the flow.Refresh on the go with this insulated stainless steel 40 oz Wide Mouth bottle and leakproof Chug Cap. The narrow chug spout provides a convenient controlled flow and the wide mouth cap easily fits ice cubes to keep things cool.TempShield double-wall vacuum insulation keeps drinks cold up to 24 hours hot up to 12 40 oz Wide Mouth with Flex Straw Cap - Fossil