Stay refreshed all day with the Hydro Flask Standard Mouth Flex Cap, the perfect companion for any Hydro Flask Standard Mouth bottle. With honeycomb insulation, this durable cap helps maintain your drink's temperature, while the flexible strap makes it easy to carry anywhere.
- Compatible with all Hydro Flask Standard Mouth bottles
- Honeycomb insulation
- Stainless steel pivots for flexible strap movement
- BPA-free and phthalate-free
