21oz (621ml) Standard Mouth Hydro Flask

The flexible strap makes it easy to carry, and the insulated cap guarantees leakproof, on-the-go convenience. Stay refreshed effortlessly with this BPA-free, top-rack dishwasher-safe cap designed for all Hydro Flask Standard Mouth bottles.

• Standard Mouth Flex Straw Cap fits all Hydro Flask Standard Mouth Bottles
• Straw is easy to trim to fit your favourite Hydro Flask
• Flex Strap is easy to transport and comfortable to carry
• Honeycomb™ Insulated cap for maximum temperature retention
• Leakproof when closed so you can reliably sip and transport your refreshment without worry
• BPA-Free & Toxin-Free
• Removable components for easy cleaning
• Compatible with Small Flex Strap Packs
• Dishwasher safe
• Not intended for use with carbonated beverages
• Flex Straw Cap not intended for use with hot liquids
• Keep hot liquids out of the reach of children
•  Colour: Navy