Device (10, 110, 210, 211) for packaging at least one cosmetic article (29, 42), comprising: - a base (12, 212) defining internally a storage compartment for receiving a first cosmetic article; - a plate (16, 216) rotatably mounted on the base along a first axis, said plate being movable between a closed configuration, wherein the plate seals the storage compartment, and an open configuration, the plate including a first edge arranged along the first axis and a second edge (54, 254, 255) away from the first edge; - a lid (14, 214) rotatably mounted along a second axis (66, 266), said lid being movable between a closed position, wherein the lid covers the plate in the closed position, and an open position, the lid including an inner surface (60, 260) oriented toward the base in the closed position; such that, in a plane parallel with the second axis (66, 266) and containing the first axis, the first axis forms an angle (α) less than or equal to 90° with a projection of the second axis, wherein: - a housing is provided in the plate (16, 216) for receiving a second cosmetic article, said housing comprising a bottom and a side wall, said side wall being suitable for being deformed elastically so as to increase in diameter under the effect of moving the bottom and the second axis closer together; - the device is suitable for adopting a contact configuration wherein the second edge (54, 254, 255) of the plate is in contact with the inner surface (60, 260) of the lid, moving said lid toward the closed position then tending to move the plate toward the closed configuration by sliding said second edge against said inner surface; and - the bottom of the housing is in contact with the base (12, 212) in the contact configuration, moving the plate toward the closed configuration then tending to move said bottom closer to the second axis, characterized in that: said side wall is suitable for being deformed elastically so as to increase in diameter under the effect of moving the bottom and the second axis closer together. - a base (12, 212) defining internally a storage compartment for receiving a first cosmetic article; - a plate (16, 216) rotatably mounted on the base along a first axis, said plate being movable between a closed configuration, wherein the plate seals the storage compartment, and an open configuration, the plate including a first edge arranged along the first axis and a second edge (54, 254, 255) away from the first edge; - a lid (14, 214) rotatably mounted along a second axis (66, 266), said lid being movable between a closed position, wherein the lid covers the plate in the closed position, and an open position, the lid including an inner surface (60, 260) oriented toward the base in the closed position; - a housing is provided in the plate (16, 216) for receiving a second cosmetic article, said housing comprising a bottom and a side wall, said side wall being suitable for being deformed elastically so as to increase in diameter under the effect of moving the bottom and the second axis closer together; - the device is suitable for adopting a contact configuration wherein the second edge (54, 254, 255) of the plate is in contact with the inner surface (60, 260) of the lid, moving said lid toward the closed position then tending to move the plate toward the closed configuration by sliding said second edge against said inner surface; and - the bottom of the housing is in contact with the base (12, 212) in the contact configuration, moving the plate toward the closed configuration then tending to move said bottom closer to the second axis,