The present disclosure relates to a sealing member for an inhaler and an assembly comprising the sealing member. The sealing member comprises a sealing lip. The assembly for an inhaler comprises a first part, a second part, and the sealing member which comprises the sealing lip, wherein the first part and the second part are assembled to permit relative rotational movement between the first part and the second part, and wherein the sealing lip sealingly engages a surface of the second part in order to provide a seal between the first part and the second part.
