DYMO LW 2-Part Internet Postage Labels for LabelWriter Label Printers, White, 2-1/4'' x 7-1/2'', 1 roll of 150 (30384) For anyone who needs to ship envelopes and packages for online purchases. These labels work with DYMO Endicia, eBay and other PC postage providers. These labels have a 2-part layout with recipient and sender address sections. Prints 2 labels at once. Direct thermal print technology provides clear lettering without messy, expensive ink or toner. Packed in a roll, so you can print one label or hundreds with ease without the label waste that can come with sheets. Not compatible with DYMO Printable Postage or DYMO Stamps services.