Rite in the Rain Field Flex Bound - Universal - Tan Tan 4 5/8 x 7 1/4. The standard size Field-Flex book is great for stowing just about anywhere. Its soft 4 5/8" x 7 1/4" Field-Flex cover bends to conform to all kinds of pockets. The book comes with 128 pages (64 sheets) printed on 32# Rite in the Rain paper. Specifications for Rite in the Rain Field-Flex Bound Book: Cover Material: Polydura Number of Pages: 128 Number of Sheets: 64 (Perforated) Weight: 0.39 lbs Package Contents: Rite in the Rain Field Flex Bound Notebook Rite in the Rain 974T: Field Flex Bound - Universal - Tan Tan 4 5/8 x 7 1/4