These magnetic labels are essential for offices, homes, and classrooms. They are perfect for organizing and storing index cards, signs, file tags, etc., clearly labeling supplies, equipment, and inventory. They are suitable for securely attaching to steel shelving, filing cabinets, lockers, refrigerator doors, and magnetic whiteboards.SpecificationColor: BlackMaterial: Soft Rubber MagnetsThickness: 3 mm / 0.12 inchSize: 76.2 x 25.4 mm / 3 x 1 Inch (L*W)Packing List: 50 Pcs x Shelf Labels, 100 Pcs x Paper Inserts, 50 Pcs x Clear Protective FilmAdvantages1. Magnetic sign holders, crafted from soft rubber magnets, are flexible and durable. The clear protective film, made of PVC material, ensures visibility and cleanliness of your labels.2.