Laser/Inkjet White COVER-ALL™ Shipping Labels, 3-1/3" x 4", 6/Sheet, 600 Labels/Bx - SKU: MML-0600 - Ideal for shipping, identification and organization - now with completely opaque COVER-ALL material that blocks out any printing or writing underneath. Bright white label stock produces sharp text and rich colors. Print in both laser and inkjet printers. Labels have permanent adhesive and are guaranteed not to jam. Labels are acid-free for safe archiving and lignin-free so labels will not yellow or become brittle over time. 100 sheets per box.