31220T, 3 1/8” Thermal Cash Register Paper Roll Tape 220’ fits a wide variety of registers. The thermal paper is 3 1/8” wide and 220’ long. Thermal paper will last for at least three years from the date of manufacture if stored in a dark place at humidity between 45% and 65% and a temperature below 77 degrees Fahrenheit. It is recommended to not expose thermal paper rolls to certain vinyls, plastics, shrink wraps, adhesives, wet-toner copies, or certain carbon papers for long periods. Exposure to UV light can affect the images printed on the paper. This item is packed 50 rolls per case.