Collapsible water tanks with Big Zip(TM) openings Having a few extra gallons of water around makes everything easier. Unfortunately, having a giant empty container around doesn&';t. That&';s the beauty of our Water Tanks: these collapsible tanks pack flat and our Big Zip(TM) opening makes filling and cleaning a breeze. PRODUCT DETAILS Having a few extra gallons of water around makes everything easier. Unfortunately, having a giant empty container around doesn&';t. That&';s the beauty of our Water Tanks: these collapsible tanks pack flat and our Big Zip(TM) opening makes filling and cleaning a breeze. 2, 4 and 6L sizes Wide-mouth Big Zip(TM) opening is easy to fill and clean Taste-free and BPA-free for clean drinking Embedded silver-ion protects the tank from mold and bacteria Freestanding design is stable on rough surfaces Made in U.S.A. of U.S. and Imported Materials PRODUCT SPECS 2 liter 4 liter 6 liter Color No No No Capacity (Standard) 70 fl. oz 140 fl. oz 210 fl. oz Capacity (Metric) 2.0 liters 4.0 liters 6.0 liters Weight (Standard) 2.7oz 3.6oz 4.4oz Weight (Metric) 0.07 kg 0.1 kg 0.12 kg Width (Standard) 7.5 in 8.25 in 9.5 in Width (Metric) 19 cm 21 cm 24 cm Length (Standard) 12 in 16 in 18 in Length (Metric) 31 cm 41 cm 45.5 cm Film Polyurethane / Polyethylene Polyurethane / Polyethylene Polyurethane / Polyethylene Spout material Polyethylene Polyethylene Polyethylene Zip material EVA/LLDPE EVA/LLDPE EVA/LLDPE Country of Origin Made in U.S.A. of U.S. and Imported Materials Made in U.S.A. of U.S. and Imported Materials Made in U.S.A. of U.S. and Imported Materials