Rite in the Rain Top Field Flex - Green Green 3 1/4 x 5 1/4. The Memo Book is just that. Perfect bound construction and Field-Flex cover. 100 pages (50 sheets) of the Universal page pattern. Specifications for Rite in the Rain Top Bound Memo: Cover Material: Field-Flex Number of Pages: 100 Number of Sheets: 50 (Perforated) Weight: 0.18 lbs Package Contents: Rite in the Rain Top Field Flex Notebook Rite in the Rain 978: Top Field Flex - Green Green 3 1/4 x 5 1/4