A modern twist on a collapsible water container, the Reliance Aqua-Sak Water Container is the most compact 5 gal. / 20L collapsible in the market. It can be quickly filled through the spigot opening, and collapses down to a minimal 4 square and weighs only 1.8 lbs. (0.8 kg). The handle features a comfort grip sock for easy carrying. Integrated spigot with On/Off valve and puncture resistant nylon material is FDA food approved.