PROBLEM TO BE SOLVED: To provide a chair allowing easy preparation of a plurality of stretchers.SOLUTION: A chair includes: n first shafts A, A, ..., A n second shafts B, B, ..., B sheets Ceach bridged between the first shaft Aand the second shaft B a left frame part having 2n attachment parts to which left end parts of the first shafts A, A, ..., Aand the second shafts B, B, ..., Bare respectively attachably/detachably attached and a right frame part having 2n attachment parts to which right end parts of the first shafts A, A, ..., Aand the second shafts B, B, ..., Bare respectively attachably/detachably attached. The left end parts of the first shafts A, A, ..., Aand the second shafts B, B, ..., Bare attached to the left frame part, and the right end parts of the first shafts A, A, ..., Aand the second shafts B, B, ..., Bare attached to the right frame part.
