Carry on in color.
Give your Hydro Flask Cap a personal touch with our Flex Strap Pack. Includes three reversible Flex Straps to mix and match and Customizer Tool.
Northwest color palette
Pack of three straps to change up your Hydro Flask cap.
Small size fits Standard Mouth Flex Caps
Flex Strap Customizer Tool features a notch, lever and cord for easy removal and attachment of Flex Straps
BPA-Free and Toxin-Free
Flex Straps are dishwasher safe