Pre Saturated Cleaning Card for Barcode & Receipt Printers. Effectively removes all dirt, dust, ink, tape & adhesive residue and other contaminants from the print head, paper guides and paper path. Will improve printer quality, legibility and will increase output, reliability and performance. Use on Label Printers, Direct/Transfer Printers, Bar Code Printers, POS Receipt Printers, Ticket Printers, etc. It comes in the following standard sizes (inches): 2x6; 2-1/8x6; 2-1/2x6; 3x6; 3-1/4x6; 3-1/4x6; 3-1/3x6; 4x6; and 4-1/2x6. Also available in 8x6.