DESCRIPTION

Zip-open, collapsible water reservoir for use as a lightweight water carrier or a replacement water bladder. Big-Zip features large reservoir opening for easy filling, cleaning or addition of ice cubes; zip-lock provides a watertight seal. Durable welded laminate construction and polyethylene film lining provide a lightweight, puncture-resistant, taste-free reservoir. Comes with a screw-on cap--drinking tube assembly not included. Bag can be boiled, frozen, inflated, collapsed or just filled with your favorite refreshment.