Skull DNA Thermal Stencil paper roll. Suitable for use with thermal printers and can also be used for freehand stencils. Please follow device specific preparation steps before use for best results when printing. Details: Roll length: 30m Width: 210mm Comes in a dispenser box Easy to cut to needed size Skull DNA Thermal Transfer Paper roll includes 3 layers in one, all are rolled together in one roll:The top layer is white. This is the layer that your image will be transferred onto.Second layer is a protective film layer. This layer needs to be removed before printing or drawing stencils as it is only meant to protect the carbon layer from transferring before use.Third layer is the Carbon (purple / blue paper). By pressing on this layer the color is transferred to the upper sheet. With printing the heat from the process will transfer the image. When using printers please ensure the sheets are properly aligned to prevent paper jams and mess from the carbon sheet.