20 sheets round self-adhesive label number stickers, 50 pieces per sheet, providing ample quantity for your needs High-quality self-adhesive number labels made from durable material; waterproof, weather-resistant, and UV-resistant, suitable for both indoor and outdoor use Clearly numbered for easy identification; ideal for inventory management, helping to save time on labeling and organization while making it easier to locate items quickly Easy to apply and remove; features white numbers on a black background for high contrast and visibility; durable waterproof material ensures long-lasting performance Versatile use for organizing books, shipping boxes, storage bins, toolboxes, hangers, classrooms, offices, homes, schools, events, and more Designed for use on flat, clean surfaces such as windows, walls, and doors, offering good visibility from a distance Color: black Material: self-adhesive Sheet size: 285 x 137mm; sticker diameter: 2.54cm Package includes: 20 sheets of numbered stickers (1 to 50) Please clean the surface thoroughly to remove dust, grease, or silicone before application Product includes only the items listed; all other items not included Note: Lighting and display settings may cause slight color variations between the image and the actual product; size may vary by +/- 1-3cm due to manual measurement