Price reduction. Sold individually. No returns. These are refill notebooks that can be used with the Nōritsu Techo (efficiency notebook). Product number 8902 Memo note (23 lines, ruled, 30 pages, with perforation) 10 notebooks per pack Outer dimensions: 138mm x 85mm x 2 sets Product number 8901 Memo note (23 lines, ruled, 30 pages, with perforation) 10 notebooks per pack Outer dimensions: 124mm x 75mm 1 set Total: 3 sets, 30 notebooks Unused and unopened, but Please understand that these have been stored for a while, so they have been stored by a private individual. Please refrain from purchasing if you are sensitive to this. Once purchased, I will protect them from water damage and ship them in an envelope. Thank you.