Magnetic Label Holder: You will receive 100 pieces of magnetic label holders, providing ample quantity for work and daily use. Size: 1 x 3 inches / 2.5 x 7.5 cm. STRONG MAGNETS: These magnetic label holders feature advanced synthetic rubber magnets that offer strong adhesion to any metal surface, outperforming standard magnetic labels. Designed to endure frequent handling without damage. Wide Application: Suitable for both flat and curved metal surfaces, including warehouse shelves, supermarket shelves, name tags, office filing cabinets, magnetic whiteboards, refrigerators, lockers, toolboxes, and mailboxes. High-Quality Material: Made from durable soft rubber magnets that are flexible and resistant to breaking. Each holder includes a clear PVC protective film to keep labels visible and protected. The white insert cards are made of heavy-duty cardstock, double-sided and ready to use. EASY TO USE: Simply write on the included replacement paper, slide the paper and clear protective film into the C-channel, and attach the holder to any clean, flat metal surface. Color: Black Material: Rubber Package Contents: 30 x Magnetic Label Holders Note: Light reflection and differences in display screens may cause slight variations between the color shown in the image and the actual product. Measurement may vary by +/- 1-3 cm.