The disclosure relates to a chair (1) comprising a back rest (10), two legs (20a, 20b), and a third part (30) comprising two corner pieces (31a, 31b, 31a′), wherein the back rest (10) comprises two elongated connection members (11a, 11b) each provided with a hole (12a) extending along a crossing direction (T) and being provided with an interconnecting portion (13a), wherein the respective leg (20a, 20b) is provided with a first bore (21a) extending along the longitudinal direction (L) and a second bore (22a) extending along the crossing direction (T) and connecting with the first bore (21a), wherein the first bore (21a) is configured to receive a portion of the respective elongated connection member (11a), wherein the respective corner piece (31a, 31a′) is provided with a through-going hole (32a) or recess (32a′) being configured to be in register with the hole (12a) of the respective elongated member (11a) and the second bore (22a) of the respective leg (20a, 20b), wherein the chair (1) further comprises a first and a second fastening arrangement (40) each having a head (41) and an elongated part (42) extending through the through-going hole (32a) or recess (32a′) and through the second bore (22a) and into the hole (12a) of the respective elongated connection member (11a), the respective elongated part (42) engaging with the interconnecting portion (13a) of the hole (12a) of the respective elongated connection member (11a) and thereby interconnecting the back rest (10), the legs (20a, 20b) and the corner pieces (31a, 31b, 31a′). The disclosure also relates to a kit of parts configured to be assembled into a chair.