refurbXperts Compatible Black on White Label Tape Replacement for Brother P-Touch MK231, M-K231 (4 pack) (Certified Refurbished) This Certified Refurbished product is tested & certified by RefurbXperts to look and work like-new. The product includes all original accessories, and is backed by a 90 day warranty. High quality MK231, MK231 replacement compatible for Brother P-Touch label maker Included: 4 pack replacement compatible label tape Tape size: 12mm wide x 8m length Color: black on white label tape