Dymo Compatible 99019 Internet Postage Labels - 1-Part (PayPal & EBay) 2-5/16 x 7-1/2&rdquo;, 150 labels per roll Label Dimensions 2-5/16 x 7-1/2 150 white labels per roll Fully compatible with the Dymo LabelWriter printers Due to new USPS regulations, these labels are for use with letters, flats, and cards only (no parcels)