The Hydro Flask Stainless Steel Vacuume Sealed 40 Ounce Water Bottle is one of the largest bottles in the Hydro Flask line-up. The 18/8 Pro Grade Insulated Stainless Steel Hydro Flask will keep your water chilled for up to 24 hours so you stay hydrated.
Features:
- Large water bottle for longer adventures
- Fits most backcountry hydration filters
- Keeps cold up to 24 hours
- Keeps hot up to 6 hours
- 18/8 Pro Grade Stainless Steel
- BPA-Free
- 40oz size comparable to Stanley tumbler
- Durable, sweat-free powder coat finish (or our Classic Stainless option)
- Industry-standard wide mouth opening fits many third-party water filters
- Compatible with Hydro Flip Lid and Wide Straw Lid, and of course the Hydro Flask True Pint
- Lifetime Warranty Manufacturer's Warranty
