This polyolefin label cartridge is compatible with BMP21-PLUS and LAB series label printers.Includes models M21-250-C-342, M21-187-C-342, M21-125-C-342, and M21-375-C-342.Available in black-on-white and black-on-yellow.Made of self-laminating polyolefin material with resistance to abrasion, chemicals, oil, and water.Features easy-to-peel adhesive.Compatible with BMP21, BMP21-PLUS, BMP21-LAB, IDPAL, and LABPAL label printers.Size options include 18mm x 2.1m with printable widths of 11.15mm, 8.5mm, and 6mm.