1.57x4 inches / 4x10 cm magnetic label holder includes 400 magnetic labels, 400 transparent plastic protective films, and 800 thickened paper cards. The quantity of label magnets is sufficient for work and daily use. This label holder is flexible, weather-resistant, resists curling, easy to apply, reusable, and resistant to dirt. The "C" channel design allows cards to slide smoothly into the magnetic channel. The protective film helps prevent printed or written text from fading after installation on filing cabinets or metal shelves. The magnets 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 component can be easily detached. Color: Black + White. Material: Rubber soft magnetic. Size: 100x40 mm. Package Contents: 400 x Magnetic Label Holder (1 sheet of clear film, 2 sheets of paper per holder). Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement allowance is +/- 1-3 cm.