The Brady's continuous thermal transfer printer label roll comes packaged 1 roll per case and is used with LS2000, Marker XC Plus. These items come in a variety of shapes and sizes to accommodate many situations. The measurements for the Brady B-637 continuous thermal transfer printer label roll are: 50 ft length. - 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 PVF for the label material and permanent acrylic as the adhesive.