Mark postage on more than standard white envelopes thanks to these handy permanent postage meter labels for Personal Post Office. Affixing correct postage becomes a breeze. Simply print the postage information on the label, peel & apply to envelopes, mailing tubes & packages of all sizes. Permanent adhesive makes sure the label stays put while your mail is in transit. With enough space to include your company logo or a custom message, these labels will do the job every time. Shape: Rectangular; Label Size – text: 1.78 x 6; Label Color(s): White; Color Family: White.