A vessel for containing water includes a bladder body formed from flexible substantially waterproof membrane sheets sealed at least partially around the sheet edges to define a bottom portion, a top opening, a handle portion and a spout. A support ring is sealed to the top opening to define a fill mouth for introducing water into the bladder body. The bladder body is configured to be folded into and retained within an interior of the support ring for storage.

A vessel for containing water includes a bladder body formed from flexible substantially waterproof membrane sheets sealed at least partially around the sheet edges to define a bottom portion, a top opening, a handle portion and a spout. A support ring is sealed to the top opening to define a fill mouth for introducing water into the bladder body. The bladder body is configured to be folded into and retained within an interior of the support ring for storage.

A vessel for containing water includes a bladder body formed from flexible substantially waterproof membrane sheets sealed at least partially around the sheet edges to define a bottom portion, a top opening, a handle portion and a spout. A support ring is sealed to the top opening to define a fill mouth for introducing water into the bladder body. The bladder body is configured to be folded into and retained within an interior of the support ring for storage.

A vessel for containing water includes a bladder body formed from flexible substantially waterproof membrane sheets sealed at least partially around the sheet edges to define a bottom portion, a top opening, a handle portion and a spout. A support ring is sealed to the top opening to define a fill mouth for introducing water into the bladder body. The bladder body is configured to be folded into and retained within an interior of the support ring for storage.