Size: 21 oz

Double-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 car’s bottle holder - but carrying over 600 ml of liquid, the 21 oz insulated bottle is the perfect companion for your daily travels. Plus, since it’s made without BPA chemicals, you can keep re-using it worry-free.

• • 21 oz standard mouth diameter water bottle with Standard Flex Cap
  • Double-wall vacuum insulation means no burned fingers from hot beverages or condensation from ice-cold drinks
  • TempShield insulation keeps beverages cold up to 24 hours and hot up to 12 hours
  • Standard-mouth opening is 4.6 cm in diameter, making it easy to fill the bottle with coffee, tea or sports drinks
  • Tough, food-grade 18/8 stainless steel construction is resistant to bacteria and odours Versatile, middle-of-the-road size
  • Bottle fits in most car, bike and stroller cup holders and water bottle cages
  • Colour: Black
• • Volume: 621 ml
  • Height: 23.88 cm
  • Diameter: 7.29 cm
  • Mouth diameter: 4.85 cm
  • Weight: 320.3 g
  • Material: Stainless steel
  • Bottle opening: Medium
  • Cap type: Screw cap
  • BPA Free
• Sustainability through longevity - Hydro Flask are so confident in the durability of their hard goods, that they offer a lifetime guarantee

• A lukewarm drink is no-one’s cup of tea, and Hydro Flask was created in 2009 with one goal: to save the world from lukewarm. Whether it’s keeping water icy cold on the beach, coffee piping hot in a blizzard, or beer frosty cool round the campfire, their insulated stainless steel bottles - with a signature powder coating for comfort and grip - are designed to make sure no-one has to suffer a lukewarm drink ever again.

• Hydro Flask cannot guarantee against leaks when the bottle is filled with carbonated beverages; keep the bottle upright.

"I use my hydro flask everyday and it keeps my water ice cold all day"

-Ajay, Verified Buyer

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