THERAMARK RX565-CASE Receipt Paper Rolls Without Timing Mark/16 Rolls Per Carton Paper Type: Thermal Core: 1 /250' roll (approximately 500 scripts/roll) Width: 4.38 Number of Rolls: 500 scripts/roll Feature: Thermal paper Prescription rolls, no black mark sensor on back of sheet. 16 rolls per case. Security features included: - Unique Security Background - Production Batch Number - Hidden Message Technology - Reverse Rx - Artificial Watermark Compatible with Star TSP800, TSP800Rx, Citizen CLP521, CLP7200, CTS4000, Datamax E Series, Dymo 4XL. Approved for use in AL, AZ, AR, CO, CT, FL, HI, ID, IL, IA, KS, LA, MD, MA, MI, MN, MS, MO, MT, NE, NV, NH, NM, NC, ND, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VT, VA, WV, WI, WY, DC, US TERRITORIES