Here's what other sites are saying:
Water container folds compactly for easy storage when empty. Made of flexible, food-grade polyethylene that folds easily even in extreme cold. Large opening fits ice cubes. Spigot design has easy-pour, leakproof, on/off feature. Sturdy handle folds down. Imported. Capacity 5 gal. Dimensions Expanded: 11"H x 11"W x 11"D, Collapsed: 2½"H x 10"W x 12"D.
Vapur Incognito Flexible Flask
Patagonia MiiR 64-oz Vacuum Insulated Growler
Miir Bottles Howler
Innate Aqueduct Water Systems
Source AquaSource iVis 20L Water Tanker