6 PK Seamless Compatible Panasonic KXP-140 (Kx-P155) Printer Ribbon, Works for KX-P140, KX-P1524, KX-P1540, KX-P155. Seamless ribbon for high quality printing. ISO 9001 Quality Certified, approximately 26 month shelf life. 100% satisfaction guaranteed! Individually Factory sealed in retail packaging.