Bookshelf Card Holders - Holds 7" x 7" cards

7" x 7" Magnetic
Adheres to the TOP of Metal Shelves

7" x 7" Magnetic
Adheres to FRONT of Metal Shelves

7" x 7" Non-Adhesive

7" x 7" Peel & Stick Remove & Reuse

7" x 7" Peel & Stick Aggressive

7" x 7" Velcro