A package includes a container having an open end and a closed end, and a slider slidably mounted within the container. A releasable locking feature is provided at a side of the package, which comprises a pair of locking edges, one associated with a sidewall of each of the slider and container respectively, and a release area for releasing a locking abutment between the locking edges. The release area is provided in the sidewall of the container having the locking edge, and the locking edge of the slider comprises two or more plies of a material used to provide the slider.