A Meto Label can come in many sizes and colors. Each Meto label is named after its corresponding price gun. For example, a Meto 2200/2 2 line Price gun would use a 2200/s series Meto Label. American Retail Supply offers fluorescent red, fluorescent green, white, yellow, removable, pre-printed and much more. The Security slits are to prevent shoppers from removing your price Meto labels. If they try and remove your labels, they will rip. Use the yellow labels for on sale items and the white ones for regular sale prices. Removable adhesive back makes it easier to stick them on items or shelves. American Retail Supply can also customize an Avery Label. For more information please call 800-426-5708.