A flexible bag comprising an outer panel assembly, a cavity sealing assembly, a spout assembly, and a handle area. The outer panel assembly comprises a first panel and a second panel positioned in an overlaying orientation. The cavity sealing assembly includes opposing side seals, a top cavity seal and a bottom cavity seal which cooperate to form a cavity. Two extension regions extend away from the top cavity seal. The spout assembly is attached to the first panel and provides fluid communication with the cavity. The handle area includes a top handle seal spaced apart from the top cavity seal and the first and second extension regions. The first extension region in cooperation with the top handle seal defines a first side opening slot, and, the second extension region in cooperation with the top handle seal defines a second side opening slot. A hanging opening extends through the first panel and the second panel between the top cavity seal and the top handle seal.