To provide a cartridge which can be reliably sealed up though being manufactured at a low cost.

A cartridge 10 includes at least two storage containers 11 and 21 allowing a piston to be inserted thereinto to dispense components. Circumferential beads 18 and 28 are provided on inner walls 13 and 23 of the storage containers 11 and 21 so that the piston cannot slip off from the storage containers 11 and 21 after inserted. The first inner wall 13 includes a first connecting section 19, and the second inner wall 23 includes a second connecting section 29, and these connecting sections do not have the beads 18 and 28. A connecting web 30 connecting the two storage containers 11 and 21 is located between the first and the second connecting sections 19 and 29.