Looking for a stash box with lock and ideas where to look ?

i was wondering if theres a site made for stash boxes ? im buyying this water pipe , http://www.grasscity.com/us_en/flaming-skull-percolator-bong-clear-2.html#.UuyPlvldWHg    also i have a mason jar , was wondering if it'll fit if not a zip bag can do the job.