Standard Mouth Flex Straw Cap - Black Color:Black Can the best of both

Can the best of both worlds be even better

Cadence Sensor

Includes oil spill guard lid with an integrated oil stopper holder and funnel base

Lens Height: 45mm

Comfortable Design

Standard Mouth Flex Straw Cap - Black Color:Black Can the best of bothFlip and sip. Hydration 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 closedStraw is easy to trim to fit your favorite Hydro FlaskFlex Strap is easy to transport and comfortable to carryInsulated for maximum temperature retentionRemovable components for easy cleaningBPA FreeDishwasher safeNot intended for use with