Keep life moving with Hydro Flask's 21-ounce bottle and Standard Flex Cap. It stashes easily into a small shoulder bag, your pack’s side pocket, or your car cup holder, and holds enough ice cold goodness to keep you going for hours without weighing you down.

• Versatile, middle-of-the-road size
• TempShieldTM insulation eliminates condensation and keeps beverages cold up to 24 hours and hot up to 12 hours
• Durable 18/8 Pro-Grade Stainless Steel construction
• BPA-Free and Phthalate-Free
• Compatible with Standard Mouth Insulated Sport Cap
• Lifetime Warranty