Hydro Flask Standard-Mouth Flex Cap
Built for easy-carry comfort and portability, the insulated Hydro Flask Standard-Mouth Flex Cap is made to last on any standard-mouth Hydro Flask water bottle.
- Recyclable polypropylene #5 is BPA-free, phthalate-free and toxin-free
- Honeycomb Insulation™ inside cap adds additional temperature control
- Soft, flexible thermoplastic urethane (TPU) strap has stainless steel pivots
Imported.View all Hydro Flask Water Bottle Accessories
Loading Reviews... Loading Questions...