Device for storing, metering and dispensing bulk material, said device comprising: - a container for storing the bulk material, and - a dosing unit for metering and dispensing a metered dose of bulk material from the container, the bottom of the container cooperating with the dosing unit in order to supply bulk material to the dosing unit, and the dosing unit comprising: - a housing comprising a bottom wall, a top wall, two lateral walls (33a, 33b), a front end and a rear end, the top wall comprising a port cooperating with the bottom of the container, - a drawer able to slide longitudinally in and out of said housing through the front end of the housing between a metering position and a dispensing position respectively, said drawer comprising: ▪ a bottom wall and a top wall, and ▪ a metering cavity extending from the top wall to the bottom wall and designed to receive bulk material from the port of the housing when the drawer is in the metering position and to discharge the metered quantity of bulk material when the drawer is in the dispensing position, characterised in that: - the lateral walls (33a, 33b) of the housing are constricted vertically by construction, and said lateral walls (33a, 33b) of the housing are able to expand vertically in response to the longitudinal sliding movement of the drawer inside the housing, and - the external height (h 2) of the drawer is larger than the internal height (h 1) of the housing when said housing is in a non-expanded state, and - the constriction of the lateral walls (33a, 33b) of the housing is adapted to bring the drawer into clamping engagement with the top and bottom walls (31, 32) of the housing when the drawer is positioned in the housing. - a container for storing the bulk material, and - a dosing unit for metering and dispensing a metered dose of bulk material from the container, - a housing comprising a bottom wall, a top wall, two lateral walls (33a, 33b), a front end and a rear end, the top wall comprising a port cooperating with the bottom of the container, - a drawer able to slide longitudinally in and out of said housing through the front end of the housing between a metering position and a dispensing position respectively, said drawer comprising: ▪ a bottom wall and a top wall, and ▪ a metering cavity extending from the top wall to the bottom wall and designed to receive bulk material from the port of the housing when the drawer is in the metering position and to discharge the metered quantity of bulk material when the drawer is in the dispensing position, ▪ a bottom wall and a top wall, and ▪ a metering cavity extending from the top wall to the bottom wall and designed to receive bulk material from the port of the housing when the drawer is in the metering position and to discharge the metered quantity of bulk material when the drawer is in the dispensing position, - the lateral walls (33a, 33b) of the housing are constricted vertically by construction, and said lateral walls (33a, 33b) of the housing are able to expand vertically in response to the longitudinal sliding movement of the drawer inside the housing, and - the external height (h 2) of the drawer is larger than the internal height (h 1) of the housing when said housing is in a non-expanded state, and - the constriction of the lateral walls (33a, 33b) of the housing is adapted to bring the drawer into clamping engagement with the top and bottom walls (31, 32) of the housing when the drawer is positioned in the housing.