A child-resistant package comprising: an inner member defining a storage compartment, and an outer sleeve, wherein the inner member is slidably engaged within the outer sleeve and is movable between a closed position in which the storage compartment is closed and an open position in which the inner member projects from the outer sleeve and the storage compartment is accessible, wherein the package further comprises a locking system which releasably locks the inner member in the closed position and a stopping system which prevents further withdrawal of the inner member from the outer sleeve in the open position, and wherein the locking system includes a locking tab which releasably engages a locking aperture in the closed position, and wherein the stopping system includes the locking tab which releasably engages a stopping aperture in the open position, wherein the locking tab has an extended position and a retracted position, the locking tab being biased towards the extended position such that, when the inner member is in the closed position, the locking tab adopts the extended position and engages with the locking aperture, wherein the locking tab is provided on the inner member and the locking aperture and stopping aperture are provided on the outer sleeve, wherein the outer sleeve has an inner wall and an outer wall and wherein the locking aperture is provided in the inner wall, such that the locking tab projects through the locking aperture in the closed position, into the space between the inner and outer walls, wherein an access aperture is provided in the outer wall so that the locking tab can be urged inwards to the retracted position and out of engagement with the locking aperture, to unlock the inner member and allow movement towards the open position relative to the outer sleeve, and wherein the access aperture is configured such that the locking tab does not project through the aperture when in the closed/locked position. an inner member defining a storage compartment, and an outer sleeve, wherein the inner member is slidably engaged within the outer sleeve and is movable between a closed position in which the storage compartment is closed and an open position in which the inner member projects from the outer sleeve and the storage compartment is accessible, wherein the package further comprises a locking system which releasably locks the inner member in the closed position and a stopping system which prevents further withdrawal of the inner member from the outer sleeve in the open position, and wherein the locking system includes a locking tab which releasably engages a locking aperture in the closed position, and wherein the stopping system includes the locking tab which releasably engages a stopping aperture in the open position, wherein the locking tab has an extended position and a retracted position, the locking tab being biased towards the extended position such that, when the inner member is in the closed position, the locking tab adopts the extended position and engages with the locking aperture, wherein the locking tab is provided on the inner member and the locking aperture and stopping aperture are provided on the outer sleeve, wherein the outer sleeve has an inner wall and an outer wall and wherein the locking aperture is provided in the inner wall, such that the locking tab projects through the locking aperture in the closed position, into the space between the inner and outer walls, wherein an access aperture is provided in the outer wall so that the locking tab can be urged inwards to the retracted position and out of engagement with the locking aperture, to unlock the inner member and allow movement towards the open position relative to the outer sleeve, and wherein the access aperture is configured such that the locking tab does not project through the aperture when in the closed/locked position.