Standard Flex Straw Cap Textured top section offers added grip. Glove-friendly T-handle clips to shaft during use; and 5 cm depth markings are off-set for 360° visibility—all adding key efficiency The pressurized ink cartridge writes

The pressurized ink cartridge writes upside down and through moisture without smearing or washing off

snow camping and other outdoor pursuits

And with handy details like a folding

Take your adventures further afield with the adjustable

Standard Flex Straw Cap Textured top section offers added grip. Glove-friendly T-handle clips to shaft during use; and 5 cm depth markings are off-set for 360° visibility—all adding key efficiency The pressurized ink cartridge writesHydration on the go just got easier with the leakproof, insulated Flex Straw Cap. Add it to your favorite Standard Mouth Hydro Flask bottle to easily enjoy cold hydration anywhere.