Compatible with standard mouth Hydro Flask bottles
HoneycombTM insulation for maximum temperature retention
BPA free, phthalate-free and toxin-free
Dishwasher safe
Integrated finger loop for easy carrying
Not intended for use with hot liquids
The Hydro Flask Standard Mouth Flex Straw cap with retractable straw lets you enjoy your insulated bottle on your sports outings. Hydration on the go just got easier with this insulated, leakproof cap. Add it to your favourite standard mouth bottle from the brand to easily enjoy cold hydration anywhere.
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