a child - resistant closure and container package includes a container having a finish with an external thread and pockets in the thread . a closure has a base wall , a peripheral skirt with an internal thread and lugs on the internal thread for receipt in the pockets , and a spring element on the base wall for engagement with the container finish to bias the closure away from the container finish and resiliently urge the lugs into the pockets . a liner is urged by the spring element into engagement with the container finish . the liner may include a base with metal and plastic layers for induction - welded sealing engagement with the finish such that , upon removal of the closure , the metal and plastic layers remain secured to the finish and the liner base is removed with the closure . the metal and plastic layers may be removed by a user for access to the contents of the container , and the liner base continues to serve as a package seal during use of the package .