20 sheets round self-adhesive label number stickers, 50 pieces for each sheet, sufficient for your use Quality self-adhesive label number stickers: made of quality self-adhesive label , waterproof, weatherproof, and UV resistant signs, fit for both indoor and outdoor use. Numbered conveniently: you can use the number stickers as numbering system, saving you tons of typing, printing and cutting time, while letting people find the item in the clutter quickly and fast, makes your life much simpler. Easy to use: labels are self-adhesive and easy to stick or off, white number and black background make easy to be identified, besides, waterproof material is durable for long serving life. Multipurpose number labels: helpful for management, classroom organizations, books, shipping boxes, packaging, great for marking bins, toolbox, hangers and any other products you need to tag; Suitable , office, school, classroom, sports events, parties, convenient to recognize and organize things. Wide application: Works great on flat surfaces such as your window, wall, door, providing great visibility from a distance. Colour: black Material: self-adhesive Size: whole sheet: 285 x 137mm, sticker size: 2.54cm Package Contents: 20 Sheets x 1 to 50 number stickers Notes: clean the substrate to remove any dust, grease, or silicone applying the sticker. Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.