To provide a portable pouch-shaped chair for sitting in the Japanese correct style on, which can be used as a chair for sitting in the Japanese correct style on and as just a small chair by mounting a seat plate on the chair, in a pouch-shaped small bag.

A pouch frame 1 and a pouch lid 2 are formed of a load resistant material such as a rigid synthetic resin, hard paper, or artificial leather. A seat 3 can be placed inside the pouch frame 1. A fastener 4a for fixing the seat is mounted on the center part of the rear of the seat 3. Fasteners 4b, which can be fixed with the fastener 4a for fixing the seat 3, are mounted on the center part of the upper surface of the lid 2 and on the center part of the side edge part 5 of the frame 1.