Stay hydrated everywhere with the Hydro Flask 21 oz Standard Flex Straw Cap bottle. Its cap with integrated Flex Straw ensures convenient and leak-free use, ideal for on the go. Compatible with most cup holders, it is easy to fill thanks to its wide opening, perfect for adding ice cubes. Its TempShield vacuum-insulated stainless steel construction keeps your drinks cold for up to 24 hours, providing optimal hydration throughout the day.
Features
- Capacity of 21 oz (621 ml)
- TempShield insulation keeps drinks cold for up to 24 hours
- Leak-proof Flex Straw Cap with integrated straw
- Compatible with most cup holders
- Robust stainless steel and BPA-free
- Easy to fill and compatible with ice cubes