1 x 3 inches / 2.5 x 7.6 cm magnetic label holder, includes 50 magnetic labels, 50 transparent plastic protective films, and 100 thickened paper cards. The quantity of label magnets is sufficient for your work and daily use. This label holder is flexible, weather-resistant, curl-resistant, easy to apply, reusable, and resistant to dirt. The "C" channel design allows the card to slide smoothly into the magnetic channel. The protective film helps prevent written text on the card from fading. Apply the protective film after installing on a filing cabinet or metal shelf. The magnets in the magnetic card holder are strong and stable, suitable for industrial and commercial use. Ideal for organizing warehouse shelves, freezer doors, toolbox drawers, offices, schools, supermarkets, product names, filing cabinet labels, items on metal walls, part numbers in sample rooms, electrical panels, and more. An excellent solution for labeling on any metal surface. Helps keep your workspace organized and improves communication. Reusable and mess-free, these magnet holders offer long-term value with easy installation and years of reuse. They keep cabinets, whiteboards, metal walls, and shelves clean and tidy. When removed, they leave no residue and can be repositioned as needed. The magnet portion can be detached and reused. Quantity: 50 Pack Color: Black & White Material: Rubber soft magnetic Size: 76 x 25 mm Package Contents: 50 x holders (each includes 1 transparent film and 2 paper cards) Only the above package content; other products are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1-3 cm.