The Brady die-cut thermal transfer printer cartridge comes packaged 300 labels per cartridge and is used with IDXPERT, LABXPERT. These items come in a variety of shapes & sizes to accommodate many situations. The measurements for the Brady B-499 die-cut thermal transfer printer cartridge are: 1.5 in W x 3/4 in H. Supports thermal transfer printing. One of the important components to selecting the right product is the proper label and adhesive material. This die-cut thermal transfer printer cartridge uses nylon for the label material and permanent acrylic as the adhesive.