Hydro Flask Standard Mouth Flex Straw Cap Dangerous Good a sharp blow with a

a sharp blow with a hammer on the rod cap will cleanly split the core

Pressure vents to prevent explosions

In order to aid the drying process

This model is featured with variable optical magnification capable of up to 200x

Hydro Flask Standard Mouth Flex Straw Cap Dangerous Good a sharp blow with aHydration 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. Leakproof when closed Straw is easy to trim to fit your favorite Hydro Flask Flex Strap is easy to transport and comfortable to carry Insulated for maximum temperature retention Removable components for easy cleaning BPA Free Dishwasher safe Not intended for use with hot