NineLeaf 2PK Compatible Label Tape Replacement for Brother P-touch MK631 M-K631 Black on Yellow (1/2inch 12mm) Color:Black on Yellow,Length:8m(26.2ft), Width:12mm(1/2'') Shipping from California.Ships within 24 hours or next business day Full 1 year warranty against manufacturer defects and print quality. Label Adhensive surface wipes clean - Resists grease, grime, fading and abrasion Withstands temperatures from -30 degrees fahrenheit to 100 degrees fahrenheit,indoor use only.