A portable, universally fitting, stylish, lockable security box that integrally affixes to an object such as the support or cross bar on a frame of a beach lounge chair, a stroller, bike or similar member where it is desirable to protect your valuables on a stationary or a larger movable object. The security box includes an internal cavity that is formed by the two main components which makes this device simple and attractive. The exterior surface is preferably configured with tapered or rounded edges and a flush closure of the top and bottom components, wherein the risk of a snag or injury to the user is greatly reduced and to not interfere with the function or operation of the component to which it is attached.