21 oz Standard Mouth w/ Flex Straw Cap skiers BUFF® is a proud member

BUFF® is a proud member of the Sustainable Apparel Coalition

Brand label on chest pocket with printed reverse detail

Recycled Materials: this carry on bag is made from recycled nylon and polyester

Built from double-wall vacuum-insulated stainless steel

21 oz Standard Mouth w/ Flex Straw Cap skiers BUFF® is a proud memberDouble insulated stainless steel, to banish lukewarm drinks forever Designed for everyday adventures, the 21 oz Standard Mouth bottle from Hydro Flask is their mid range and most versatile product. Small enough to fit in a rucksack side pocket or your cars bottle holder but carrying over 600 ml of liquid, the 21 oz insulated bottle is the perfect companion for your daily travels. It features an airy leakproof Flex Straw making it super easy to hydrate