A cartridge, comprising: a housing that has a developer accommodating portion configured to accommodate developer therein and that includes a first side wall and a second side wall, the first side wall and the second side wall being spaced apart from each other in a predetermined direction and opposing with each other in the predetermined direction, a from-first-to-second direction being defined along the predetermined direction as being directed from the first side wall to the second side wall; a coupling member configured to receive rotational driving force from outside, the coupling member is disposed at a position opposite to the developer accommodating portion with respect to the first side wall; a detection body (82, 166, 181) for being detected by an external detecting unit (116, 171), the detection body is disposed at a position opposite to the developer accommodating portion with respect to the second side wall; a rotating member (80, 16, 27, 155) that is configured to rotate around a rotational axis (A2, A3, A4, A5) extending in the predetermined direction, at least part of the rotating member being disposed between the first and second side walls (36L, 36R); a first driving force transmission member (72, 62, 63, 156) configured to rotate together with the rotating member (80, 16, 27, 155) around the rotational axis (A2, A3, A4, A5), positioned at the same side with the coupling member with respect to the first side wall, and configured to transmit the rotational driving force from the coupling member to the rotating member (80, 16, 27, 155); and a second driving force transmission member (78, 141, 151, 147, 157, 183) configured to rotate together with the rotating member (80, 16, 27, 155) around the rotational axis (A2, A3, A4, A5), positioned at the same side with the detection body (82, 166, 181) with respect to the second side wall, and configured to transmit the rotational driving force from the rotating member (80, 16, 27, 155) to the detection body (82, 166, 181), wherein the detection body includes a tooth-missing gear having a teeth portion and a tooth-missing portion, the teeth portion being configured to receive the rotational driving force and thereby rotating the detection body, the tooth-missing portion being configured not to receive the rotational driving force and thereby not rotating the detection body. a housing that has a developer accommodating portion configured to accommodate developer therein and that includes a first side wall and a second side wall, the first side wall and the second side wall being spaced apart from each other in a predetermined direction and opposing with each other in the predetermined direction, a from-first-to-second direction being defined along the predetermined direction as being directed from the first side wall to the second side wall; a coupling member configured to receive rotational driving force from outside, the coupling member is disposed at a position opposite to the developer accommodating portion with respect to the first side wall; a detection body (82, 166, 181) for being detected by an external detecting unit (116, 171), the detection body is disposed at a position opposite to the developer accommodating portion with respect to the second side wall; a rotating member (80, 16, 27, 155) that is configured to rotate around a rotational axis (A2, A3, A4, A5) extending in the predetermined direction, at least part of the rotating member being disposed between the first and second side walls (36L, 36R); a first driving force transmission member (72, 62, 63, 156) configured to rotate together with the rotating member (80, 16, 27, 155) around the rotational axis (A2, A3, A4, A5), positioned at the same side with the coupling member with respect to the first side wall, and configured to transmit the rotational driving force from the coupling member to the rotating member (80, 16, 27, 155); and a second driving force transmission member (78, 141, 151, 147, 157, 183) configured to rotate together with the rotating member (80, 16, 27, 155) around the rotational axis (A2, A3, A4, A5), positioned at the same side with the detection body (82, 166, 181) with respect to the second side wall, and configured to transmit the rotational driving force from the rotating member (80, 16, 27, 155) to the detection body (82, 166, 181), wherein the detection body includes a tooth-missing gear having a teeth portion and a tooth-missing portion, the teeth portion being configured to receive the rotational driving force and thereby rotating the detection body, the tooth-missing portion being configured not to receive the rotational driving force and thereby not rotating the detection body.