Hydro Flask 21oz Standard Flex Straw Cap

Flip it and sip it with the Hydro Flask 21 oz (621 ml) Standard Mouth Bottle With Flex Straw Cap. With a comfortable, flexible handle, the closeable, leakproof straw cap is easy to open and close with one hand, for on-demand hydration. Double-wall insulation keeps drinks cold up to 24 hours for cool refreshment. The slim design fits most cupholders and is dishwasher safe.

• Up to 24 hours cold, up to 12 hours hot
• TempShield® double-wall vacuum insulation
• Leakproof when closed
• Durable stainless steel
• Dishwasher safe
• Flex Straw Cap not intended for use with hot liquids
• Not for use on a stove, in a microwave or freezer