CANISTER

A canister is configured to adsorb and desorb an evaporated fuel generated in a fuel tank of a vehicle and includes a case and at least one reinforcing member. The case includes therein a chamber, in which an adsorbent for the evaporated fuel is disposed, and also includes a charge port that takes in the evaporated fuel, a purge port that discharges the evaporated fuel, and an atmosphere port that is open to atmosphere. The at least one reinforcing member is a long and narrow member situated on a wall of the case facing the chamber. A material of the at least one reinforcing member has higher stiffness than a material of the case.