3 21/64" Width x 4" Length - Rectangle - Laser, Inkjet - White - 6 / Sheet - 600 / Box 

• Large enough for both "Two" and "From" addresses
• Bright white label stock produces sharp text and rich colors
• Print in both laser and inkjet printers; guaranteed not to jam or smudge
• Permanent adhesive for a secure hold; Archival safe
• Six 3-1/3" x 4" Labels/Sheet; 100 Sheets/Box; 600 Labels/Box