I used about two sheets of each, so I think you can still use them. Please only proceed with the transaction if you understand that these items have been stored at home for a long time. 50 sheets Size: 88 x 128mm Kuno Mari / Otsuki Yumi / Omori Yumiko / Kakimoto Yoshie Instant purchase welcome. I'm sorry, but I cannot sell individual sheets. #Memo Pad