Extra large labels provide space for additional lines of information. Avery's True Block™ technology is available on permanent filing labels. Opaque label completely blocks out what's underneath, both existing labels and handwriting, to create less waste. Vertical colour coding uses less space on label. Labels are acid-free and archival-safe. FSC® Certified. True Block™. Laser and inkjet compatible. 3-7/16" x 15/16". White. 360 labels. 20 sheets per package.