FreeSip® S4

The retained specifications and use notes follow in a refreshed order.

Basically, I’m the overachiever of water bottles, and darn proud of it.

I’m kind of a big deal.

Why?

Because I invented the whole sip-or-swig thing.

Hold me upright and sip through my built-in straw, or tilt me back to swig through the wide-mouth opening.

But that’s not all—one push and I pop open, one push and I’m locked tight (bye bye, leaks).