PICTURE AND PAPER ONLY,like birthday cards,christmas photo of family.Super thin magnet tape 0.3mm/12 mil. Versatile Magnetic Strips: These thin, adhesive-backed magnetic tapes allow you to display paper cards on any magnetic surface like fridges, whiteboards.Perfect for cards,pictures on classroom, office, or home. Easy Application: The magnetic strips come in a convenient roll, 3M double side adhesive tape on non-magnetic side.Simple to cut and apply the desired length onto the back of your paper.Also this magnets can be work for DIY bookmarks with your amazing creative designs,please note our thin magnet tape with one side multi-poles magnetized,match magnetic pole well to make book page marker. Classroom Essential: Perfect for teachers and students to create engaging displays on white boards. Dimensions: Each roll measures 3/5" width,16.4' length value pack.Thickness 0.012 inch