HiTi 4x6" 2 Rolls of Ribbon and Paper Case for P720L Photo Printer, 2000 Prints Per Case 2 roll of photo paper (1000 prints per roll) 2 roll of ribbon (1000 prints per roll) Maximum printing size: 4" x 6" (102 x 152 mm) Optimal Storage Environment: temperature under 75F (25C), relative humidity between 40% and 60% RH, away from sunlight and dust.