HiTi 4x6" Photo Print Pack for P310W Printer, 60 Pack, Carton of 12 (Total 720 Prints) 60 sheets of photo paper (4x6) 4 YMCO ribbon cartridge, capable of 200 prints Optimal Storage Environment: temperature under 75deg.F (25deg.C), relative humidity between 40% and 60% RH, away from sunlight and dust