Each makes lightweight craft projects magnetic. All have adhesive on one side and magnetism on the other. Most pliable permanent magnet materialIdeal for crafters, teachers and do-it-yourselfersLeast expensive magnetic material by volumeProvides substantial strength for most applicationsRubber-based adhesive for indoor useCan withstand temperatures up to 200° FPre-scored sheets make it easy to separate into individual stripsCut, peel and stickPerfect for home, school and officeGreat for making lightweight projects magnetic