COCKTAIL SHAKER

PROBLEM TO BE SOLVED: To provide a cocktail shaker with a large volume, with which sealability between a shaker body and a rid has been improved and the shaker body and the rid can be locked in the sealed state.SOLUTION: The cocktail shaker includes: a shaker body 2 approximately rotationally symmetric about a center axis with the upper part opened; a rid 3 fixed to the opening part of the shaker body and formed approximately rotationally symmetric about the center axis; a slanted convex area 21 formed at one side of either the shaker body and the rid and formed to be slanted to the plane face vertical to the center axis; an engagement convex part 31 formed at another side of the shaker body and the rid, for locking the rid to the shaker body by engaging to the slanted convex area; and a seal part 32 formed at least at one of the shaker body and the rid for sealing between the both. Thereby, the rid is fitted to the shaker body, and the rid is then rotated relatively to the shaker body to be locked.