I am selling these because I no longer use them. There are 13 sheets of each size remaining. This is double-sided matte paper for inkjet printers, compatible with EPSON, Canon, and hp printers. - Brand: KOKUYO - Sizes: A3, A4 - Quantity: A3...13 sheets, A4...13 sheets - Application: Double-sided printing, Inkjet - Thickness: A3 only, thick - Super fine grade ☆Returns are not accepted. Please purchase with your understanding. Thank you.