Premium Receipt Paper, 4.00 inch x 93.2 ft. per Roll, 36 Rolls 90 Day Warranty 20# White, top-coated, high-sensitivity sheet featuring an ultra-smooth print surface for exceptional graphics and print quality at high speed. This material features strong environmental resistance and is excellent in a variety of applications. Up to 20 years archiveability. For Use With: RJ4230BL, RJ4250WBL RuggedJet 4 mobile printers