The Hydro Flask Wide Mouth Flex Cap is designed for ultimate portability and easy-carry comfort. Insulated, flexible and built to last. Fits Hydro Flask wide mouth bottles.
- Compatible with all Hydro Flask Wide Mouth bottles.
- Honeycomb insulation™ helps keep cold drinks cold and hot drinks hot.
- Durable, stainless steel pivots allow the strap to move easily.
- BPA-Free and Phthalate-Free.
- Lifetime Warranty from Hydro Flask