A refrigerator comprising: a cabinet configured to form a storage compartment; a rear panel forming a rear wall of the storage compartment and having a cooling air outlet hole to discharge cooling air toward the storage compartment; a fan housing coupled to the rear panel and a fan provided in the fan housing; an outlet port formed at the fan housing to discharge the cooling air circulated by the fan; and a drawer movable in a prescribed direction from an inside of the storage compartment, the drawer including: a drawer main body forming a storage space; a front cover shielding the front of the drawer main body; a movable divider provided in the drawer main body to partition the storage space into a first space and a second space; a seal (250, 260, 270) provided on at least one side of the divider to seal the first and second spaces (111a, 111b) to be isolated from each other, wherein the seal (250, 260, 270) is provided with at least one roller; and a contact guide surface disposed to be in contact with the at least one roller, the contact guide surface being formed on at least one of the rear surface of the drawer main body and the inner surface of the front cover; and a supporting device provided at the contact guide surface and supporting the at least one roller, when the divider is fixed at a predetermined position, wherein the supporting device includes a receiving groove for receiving at least a portion of the at least one roller, characterized in that: when the divider is fixed at the predetermined position, a portion of the at least one roller is inserted into the receiving groove and the seal (250, 260, 270) moves toward a surface of the drawer main body or front cover and is in contact with the surface of the drawer main body or front cover, when the portion of the at least one roller moves out of the receiving groove, the seal (250, 260, 270) moves away from the surface of the drawer main body or front cover, and the at least one roller moves on the contact guide surface to allow the divider to be movable. a cabinet configured to form a storage compartment; a rear panel forming a rear wall of the storage compartment and having a cooling air outlet hole to discharge cooling air toward the storage compartment; a fan housing coupled to the rear panel and a fan provided in the fan housing; an outlet port formed at the fan housing to discharge the cooling air circulated by the fan; and a drawer movable in a prescribed direction from an inside of the storage compartment, the drawer including: a drawer main body forming a storage space; a front cover shielding the front of the drawer main body; a movable divider provided in the drawer main body to partition the storage space into a first space and a second space; a seal (250, 260, 270) provided on at least one side of the divider to seal the first and second spaces (111a, 111b) to be isolated from each other, wherein the seal (250, 260, 270) is provided with at least one roller; and a drawer main body forming a storage space; a front cover shielding the front of the drawer main body; a movable divider provided in the drawer main body to partition the storage space into a first space and a second space; a seal (250, 260, 270) provided on at least one side of the divider to seal the first and second spaces (111a, 111b) to be isolated from each other, wherein the seal (250, 260, 270) is provided with at least one roller; and a contact guide surface disposed to be in contact with the at least one roller, the contact guide surface being formed on at least one of the rear surface of the drawer main body and the inner surface of the front cover; and a supporting device provided at the contact guide surface and supporting the at least one roller, when the divider is fixed at a predetermined position, wherein the supporting device includes a receiving groove for receiving at least a portion of the at least one roller, characterized in that: when the divider is fixed at the predetermined position, a portion of the at least one roller is inserted into the receiving groove and the seal (250, 260, 270) moves toward a surface of the drawer main body or front cover and is in contact with the surface of the drawer main body or front cover, when the portion of the at least one roller moves out of the receiving groove, the seal (250, 260, 270) moves away from the surface of the drawer main body or front cover, and the at least one roller moves on the contact guide surface to allow the divider to be movable. when the divider is fixed at the predetermined position, a portion of the at least one roller is inserted into the receiving groove and the seal (250, 260, 270) moves toward a surface of the drawer main body or front cover and is in contact with the surface of the drawer main body or front cover, when the portion of the at least one roller moves out of the receiving groove, the seal (250, 260, 270) moves away from the surface of the drawer main body or front cover, and the at least one roller moves on the contact guide surface to allow the divider to be movable.