Tabbies Alpha Labels, 12000 Series - A-Z plus Mc . Size 1 x 1-1/2 laminated with side skirts, Tabbies Alpha Labels are packed 500 labels per box. Tabbies 12000 Series Alpha Labels are made from a high quality, white gloss material with clear lamination for protection and side skirts for extra adhesion. The labels are scored so they easily wrap around the edge of your filing product. They have a tackified acrylic permanent adhesive to insure the labels adhere to your folders or jackets.