1. <b>sheet size-- 8.5" x 11", label size-- 8.5" x 11"</b>. <br> <br> 2. The full sheet shipping labels are 100% compatible with Laser/ Inkjet printers. <br> <br> 3. The half sheet thermal transfer mailing labels are <b>very adhesive</b> on boxes and envelopes. <br> <br> 4. MFLABEL Company is factory direct sell. Our labels are all with <b>competitive price and premium quality</b>. <br> <br> 5. We can accept <b>custom all kinds of barcode shipping mailing labels</b>. <br> <br> 6. If you have problem on the printer setup or label use, please contact us via Amazon message. We will give you a suggestion.