To provide a table ware produced in an extremely short time, having sufficient strength, having an extremely excellent tactile feeling of an opening peripheral part, and having heat insulation effect, and to provide a method for producing the same.

In this double-structure table ware 10 wherein an air layer is formed between an outer container 12 and an inner container 14 and wherein a foodstuff or a drink is stored on the inner container 14 side, the opening peripheral part of the outer container 12 is formed as a first curve portion curving outward, the opening peripheral part of the inner container 14 overlapping the outer container 12 through the air layer is formed as a second curve portion curving outward, the second curve portion is plastically deformed such that the second curve portion wraps the first curve portion, and the opening peripheral part of the outer container 12 and the opening peripheral part of the inner container 14 are stuck.