MACO Laser/Ink Jet White Address Labels, 1 x 4 Inches, 20 Per Sheet, 5000 Per Box (ML-2000B) Ideal for bulk mailings and identification Print in both laser and ink jet printers; Labels are guaranteed not to jam Bright white label stock produces sharp text and rich colors Acid-free for safe archiving; Lignin-free so labels will not yellow or become brittle over time Same template size as Avery 5961. (Avery and the Avery product numbers are trademarks of Avery Products Corporation. DISCLAIMER: MACO is not affiliated in any way with Avery Products Corporation.)