20 sheets of round adhesive number stickers, 50 pieces per sheet, providing ample quantity for your organizational needs. These adhesive number labels are made from quality materials, waterproof, weatherproof, and UV resistant, suitable for both indoor and outdoor use. Clearly numbered for easy identification: use as a numbering system for inventory management, saving time on typing, printing, and cutting, while helping users quickly locate items in cluttered spaces, simplifying organization. Easy to apply and remove: the permanent adhesive ensures secure attachment while allowing clean removal when needed. White numbers on a black background provide high contrast for easy visibility. The durable, waterproof material ensures long-lasting performance. Multipurpose use: ideal for inventory tracking, classroom organization, book labeling, shipping boxes, packaging, storage bins, toolboxes, hangers, and other items requiring clear identification. Suitable for home, office, school, classrooms, sports events, and parties. High visibility: works well on flat surfaces such as windows, walls, and doors, offering excellent visibility from a distance. Color: Black Material: Adhesive label Dimensions: Sheet size: 285 x 137mm; Sticker diameter: 2.54cm Package Contents: 20 sheets x numbered stickers (1 to 50) Note: Clean the surface thoroughly to remove dust, grease, or silicone before application. The package includes only the items listed. Slight color variations may occur due to lighting and screen display differences. Size variations of +/- 1-3cm may exist due to manual measurement.