The Brady continuous thermal transfer printer label roll comes packaged 1 roll per case and is used with 1244 Series, 1344 Series, 2461 Series, 3481 Series, 6441 Series, BBP81, IP Series, MVP Plus Series, Tagus Series, X Plus II Series. These items come in a variety of shapes & sizes to accommodate many situations. The measurements for the Brady B-423 continuous thermal transfer printer label roll are: 300 ft L x 4 in W. Supports thermal transfer printing. One of the important components to selecting the right product is the proper label and adhesive material. This continuous thermal transfer printer label roll uses polyester for the label material and permanent acrylic as the adhesive.