Address Labels :Sheet size: 8-1/2" X 11" (US Letter Size), Label size: 3-1/3" x 4", 6 Labels per sheet, 100 Sheets = 600 Labels in total Permanent AdhesiveBESTEASY shipping labels are made with a strong general-purpose strong adhesive that aggressively holds to poly bags, bubble bags, cardboard boxes,or any packages and surfaces. Printer CompatilityLabel stickers are standard letter size (8.5” x 11”), compatible with all inkjet and laser printers. Premium Quality6 up labels are easy to read, no paper jams, can pass through the printer smoothly. Smudge proof labels with matte finish will look professional and arrive securely to their destination. Product UsageMailing labels are great for mailing and shipping jobs, barcodes, craft projects, greeting cards, warehouse warning signs, etc. For special craft projects you may even write on the label with permanent markers, paint markers, and ballpoint pens.