hydration on the go just got easier with this leakproof, insulated flex straw cap. add it to your favourite wide mouth hydro flask bottle to easily enjoy cold hydration anywhere.

• black
• fits all hydro flask wide 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.