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 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 text on the card from fading. Apply the protective film after installation on a filing cabinet or metal shelf. The magnets in the magnetic card holder are strong and stable, suitable for industrial and commercial applications. 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. Helps keep your workspace organized and improves communication. Reusable and mess-free, these magnet holders offer long-term value due to easy installation and durability. Keeps cabinets, whiteboards, metal walls, and shelves clean and tidy. Leaves no residue when removed and can be repositioned as needed. The magnet portion can be detached. Quantity: 50 Pack. Color: Black & White. Material: Rubber soft magnetic. Size: 76 x 25 mm. Package Contents: 50 x holder (each includes 1 transparent film and 2 paper cards). Package includes only the items listed; other products are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm.