The present invention concerns a vial with a neck for a liquid product with an external shape, comprising: a part made from glass, said part made from glass comprising an annular assembly surface; a rigid piece having an annular assembly surface; a neck formed on the part made from glass or the rigid piece; a neck providing a fluid seal either between the annular assembly surface of the part made from glass and the annular assembly surface of the rigid piece, or between the annular assembly surface of the part made from glass and a sealing band, the sealing band being rigidly connected to the annular assembly surface of the rigid piece, thus providing the fluid seal, the part made from glass, the rigid piece and the neck giving the vial the external shape of same.