IDEALSEAL Compatible Replacement Postage Meter Tape For PB #625-0 7" x 1 3/4" label For use in Dm300, DM300c, DM300i, DM300L, DM400, DM400c, DM400i, DM400L, DM450c, DM475c Mailing Machines. Two labels per sheet, 300 sheets per box, 600 labels per box. Perfect for two uses without a meter ad. All of our labels are packaged in white boxes. Our boxes prevent damage from occurring during shipping and make it easier for you to store your labels. Many competitors labels are shrink wrapped because it is cheaper but they do not protect the labels from getting damaged and from laying loose all over the place once the shrink wrap is opened. Get the best value for your PB postage meter. Our compatible PB postage tape will keep your PB printer humming like it should.