A parcel comprising: - a case having a bottom and a peripheral rim composed of panels (21, 22, 23, 24); - a lid; the parcel being foldable between: - a flat configuration, in which the panels (21, 22, 23, 24) and the lid extend substantially parallel to the bottom; - a use configuration in which the case defines a stowage volume, and wherein the lid is movable between a position for accessing the stowage volume and a position for closing the stowage volume, the parcel comprising: - a locking mechanism; - first means for locking the lid in its closed position, the locking mechanism cooperating with the first locking means in the closed position of the lid; - second means for locking the parcel in its flat configuration, the locking mechanism cooperating with the second locking means in the flat configuration of the parcel, the second locking means comprising at least one anchoring point presented by the bottom and/or at least one panel (21, 22, 23, 24) of the peripheral rim; the locking mechanism comprising at least one actuator (41, 42) movable between a locking position and an unlocking position; the locking mechanism being inactive: - on the first locking means in the flat configuration of the parcel; - on the second locking means in the use configuration of the parcel characterized in that: - the first locking means comprise at least one anchoring point presented by the lid; - the locking mechanism comprises hooking members (441, 442) for each of the anchoring points (511, 521), the hooking members (441, 442) being driven in mobility by the actuator(s) (41, 42); - the locking mechanism is integrated in a housing arranged in the case. - a case having a bottom and a peripheral rim composed of panels (21, 22, 23, 24); - a lid; the parcel being foldable between: - a flat configuration, in which the panels (21, 22, 23, 24) and the lid extend substantially parallel to the bottom; - a use configuration in which the case defines a stowage volume, - a flat configuration, in which the panels (21, 22, 23, 24) and the lid extend substantially parallel to the bottom; - a use configuration in which the case defines a stowage volume, and wherein the lid is movable between a position for accessing the stowage volume and a position for closing the stowage volume, the parcel comprising: - a locking mechanism; - first means for locking the lid in its closed position, the locking mechanism cooperating with the first locking means in the closed position of the lid; - second means for locking the parcel in its flat configuration, the locking mechanism cooperating with the second locking means in the flat configuration of the parcel, the second locking means comprising at least one anchoring point presented by the bottom and/or at least one panel (21, 22, 23, 24) of the peripheral rim; - a locking mechanism; - first means for locking the lid in its closed position, the locking mechanism cooperating with the first locking means in the closed position of the lid; - second means for locking the parcel in its flat configuration, the locking mechanism cooperating with the second locking means in the flat configuration of the parcel, the second locking means comprising at least one anchoring point presented by the bottom and/or at least one panel (21, 22, 23, 24) of the peripheral rim; the locking mechanism comprising at least one actuator (41, 42) movable between a locking position and an unlocking position; the locking mechanism being inactive: - on the first locking means in the flat configuration of the parcel; - on the second locking means in the use configuration of the parcel - on the first locking means in the flat configuration of the parcel; - on the second locking means in the use configuration of the parcel characterized in that: - the first locking means comprise at least one anchoring point presented by the lid; - the locking mechanism comprises hooking members (441, 442) for each of the anchoring points (511, 521), the hooking members (441, 442) being driven in mobility by the actuator(s) (41, 42); - the locking mechanism is integrated in a housing arranged in the case. - the first locking means comprise at least one anchoring point presented by the lid; - the locking mechanism comprises hooking members (441, 442) for each of the anchoring points (511, 521), the hooking members (441, 442) being driven in mobility by the actuator(s) (41, 42); - the locking mechanism is integrated in a housing arranged in the case.