... paper, PU/PVC/3D lamination/epoxy resin, etc, 1-4 color printing. Lamination/varnishing2) Thickness of rubber magnet: 0.30 ... used as advertisement, intellectual puzzles, writing boards, calender, notepads, photo frame, memo magnets.5) Safe for Children (SGS testing report for ... your reference)6) Low price, high quality, and first choice for promotional ...