PURPOSE: To facilitate stacking up of glasses suitable for forming champaign pyramid to be installed in a party or the like by protruding a circumferential edge of a bottom surface of the glass, and forming four or three cuts at the protruded circumferential edge at a specified interval.

CONSTITUTION: A champaign glass 10 comprises a liquid containing part 12 for containing champaign, and a bottom part 14 for supporting the containing part 12, and both parts 12, 14 are assembled to be freely detachable. The liquid containing part 12 comprises a large-diameter upper part 16, and a lower part 18 extended down from the upper part 16, and a liquid containing recessed place 20 is extended from an open edge 22 at an upper end to a bottom surface 24 at a lower end. In the meanwhile, the bottom part 14 comprises a cylindrical part 26 for containing and supporting the lower end of the liquid containing part 12 to be freely detachable, and a disc-shaped support part 28, and the support part 28 is provided with three cuts 32 at an interval of 120deg., or four cuts at an interval of 90deg., in a down-protruded circular circumferential edge 30, and the cut 32 is formed to be engaged with the open edges 22 of a unit of three of the glasses at a lower stage.