Durable and stylish hard covers, gray spines and metallic accents. Quality double-wirebound books designed for durability and ease of use. Folds back or lays flat for easy writing. Contents Index Page and Useful Numbers for easy referencing. Labeling Box on each page to organize projectsby date, page number or project name. Heavyweight white paper. Perforated sheets. Book/Pad Binding Type: Doubled Spiral Wire Book/Pad Binding Edge: Side Book/Pad Sheet Size: 8.25 x 5.88 Book/Pad Subjects/Sections: 1.