Hydro Flask 40 oz Wide Mouth with Flex Straw Cap W40BFS001

A 40 oz Wide Mouth water bottle with our leakproof Flex Straw Cap—easy to fill, easy to drink. Open it up, add your ice, and flip to sip. The insulated stainless steel keeps it cold for up to 24 hours.24 hours cold TempShield double-wall vacuum insulation Leakproof when closed Pure taste with no flavor transfer Wide Mouth opening is ice-cube friendly Bottle fits most backcountry water filters BPA-Free Dishwasher safe Flex Straw Cap not intended for use with hot liquids Not for use on a stove, in a microwave, or freezer Bottle fits all Wide Mouth caps and lids Manufacturer Part Number: W40BFS001