[Rio]

I hear you can make a serviceable water bottle form a sheep’s stomach.

[mabarker1]

Or a Buffalo Bladders. After the kill and gutting sever the Bladder while still fresh You blow to inflate and tie off to dry in stretched form. When dry rinse a few times and then fill ‘er up and retie.

Buffalo Bladder $27.00

Available Here.

Can be blown up like a balloon and dried. Used as water containers, food storage bags and quill envelopes. this is a natural product so the size may vary most are appx 8''