Vac-It FreshSnaps (Set of 3) Works with absolutely any brand zipper bag or packaged food storage bag! The FreshSnaps are designed to be used with the Vac-it brand vacuum seal system only and are Patent Pending, re-usable plastic, one-way air valve snaps These FreshSnaps are for use with Vac-It brand vacuum pump (sold separately) ONLY. Reusable and can be used again and again Works on any zipper bag or packaged food storage bag