Wide-mouth flex straw cap accessories for large insulated bottles occupy a useful spot in versatile hydration kits because the right piece delivers straw-style hydration convenience for large-capacity bottle rotation — meaningful for active rotation, daily commuting, and the multi-context hydration kit. The construction features that distinguish a real versatile wide-mouth straw cap from a generic alternative are leakproof construction, fitment accuracy (sized to 40 oz wide-mouth bottle openings), straw integration that handles real active use, and the kind of construction discipline Hydro Flask brings across its full accessory line. The Hydro Flask 40oz Wide Flex Straw Cap Special Edition lands in this category as the brand's most-versatile special-edition large-capacity straw cap accessory.
Stainless steel, insulated, reusable, and sized for epic days—our 40 oz Wide Mouth water bottle is the flask to grab to keep cold drinks cold and hot ones hot. The large opening makes it easy to add ice—and get yourself a bigger gulp.
Features
- 24 hours cold, 12 hours hot
- TempShield®️ double-wall vacuum insulation
- Leakproof when closed
- Won't retain odor or leftover flavor
- Durable stainless steel
- Wide Mouth opening is ice-cube friendly
- BPA-Free
- Not for use on a stove, in a microwave or freezer
- Keep hot liquids out of the reach of children
Right pick for customers who want Hydro Flask construction in a large-capacity flex straw cap. The 40oz Wide Flex Straw Cap delivers leakproof straw-style hydration across daily and active use; the wide-mouth construction handles real 40 oz bottle rotation. Useful for daily commuting, active rotation, gym sessions, and the multi-context hydration kit across multiple settings. Reliable Hydro Flask straw cap accessory.
