The PSPT-500-1-WT is a white PermaSleeve? heat-shrinkable Wire Marker Sleeve made of polyolefin with matte finish. The 18461 sleeve can be printable through the TLS 2200? and TLS-PC Link? thermal transfer portable printers. This label is compatible with the TLS 2200, TLS-PC Link BMP71 and BMP61 printers. It is used for panel identification, wire and cable marking.