The 309150 Label for Stamps.com thermal printer for postage. Our most popular internet postage product allows you to print postage onto these labels using a thermal printer. Use them exactly like any other USPS postage stamp. Used with all domestic & international mail classes and all mail piece types (letters, flats, packages). Avoid misprints with the thermal printer accuracy. Label Size: 1-5/16" x 1-7/16"

• All Shipping Label Printers: Dymo, Seiko, Zebra, Eltron, Samsung and all other thermal printers.

All Shipping Label Printers: Dymo, Seiko, Zebra, Eltron, Samsung and all other thermal printers.Stamps.com / Shipping Labels