Child resistant lockable container

1. A lockable container comprising:

a sleeve having at least three sidewalls, the sidewalls defining a pocket, the pocket having at least one entrance, and the pocket adapted for receiving and housing a hinged shell, one sidewall of the sleeve having a slit;

a hinged shell having a lid, a tray hingedly connected to the lid, storage space defined by the tray, and a locking tab disposed on one of the lid or the tray, the hinged shell comprised of a flexible and resilient material;

wherein the locking tab is adapted to flex in an upward or downward direction;

wherein the locking tab is substantially aligned with the slit when the hinged shell is housed within the sleeve, causing the locking tab to protrude through the slit; and

wherein the hinged shell is prevented from sliding out of the sleeve unless the locking tab is flexed in an upward or downward direction to disengage the slit.

2. The lockable container of claim 1 wherein:

the slit has a front edge in a direction proximate to the entrance; and

the front edge of the slit is positioned to impinge on the locking tab when the hinged shell is completely housed within the sleeve.

3. The lockable container of claim 1 further comprising a finger hole on the sleeve that provides access to the hinged shell when the hinged shell is housed within the sleeve.

4. The lockable container of claim 1 wherein the locking tab has a curved edge adapted to facilitate insertion of the hinged shell into the sleeve.