Bookshelf Card Holders - Holds 3" x 5" cards

3" x 5" Magnetic
Adheres to the TOP of Metal Shelves

3" x 5" Magnetic
Adheres to FRONT of Metal Shelves

3" x 5" Non-Adhesive

3" x 5" Peel & Stick Remove & Reuse

3" x 5" Peel & Stick Aggressive

3" x 5" Velcro