Customized Magnets, 3" x 3" Square Magnet - Laminated, For a little variety, throw this colorful square magnet on your fridge or filing cabinet. It's a great size for keeping important notes or your to-do list within easy reach. Tough and reliable 10 mil. paper face material with protective laminate seal Solid 10 mil. magnet material Brilliant full-color imprint - standard Magnets are non-branded Great price point ... #31794 $0.33/each.