spiral notebooks college ruled, lined for memo diary journal, wirebound notepads 100 pages (50 sheets), 8.4" x 5.7", 2 pcs denset 21cm x 14.5cm/ 8.4 "x 5.7",proper sizesuitable suitable for bags, totes, or backpacks, easy to carry. hard cover, spiral notebooks can be held in the hand to write. good horizontal white paper makes writing a joy. suitable for diary, poem, creation, spiral notebooks for work record, study notes, etc.perforations design turns page easily and allow to scrap a paper. perforations design turns page easily and allow to scrap a paper.