HiTi 4x6" Media for Photo Printer P520 & P520L, 500 Sheets to a Roll, 2 Rolls in a Box, 152x102mm 2 roll of photo paper (500 prints per roll) 2 roll of ribbon (500 prints per roll) Maximum printing size: 4 Optimal Storage Environment: temperature under 75F (25C), relative humidity between 40% and 60% RH, away from sunlight and dust.