Cover: thick plastic hardcover, waterproof, each color 1 pcs. Size: A5 size, 8.3 inch x 5.9 inch (21cmx15cm), 8mm ruled pages. Colors: 4 colors, wine red, brown, green, ivory, each color 1 pcs. Paper: color of all paper is beige, thickened paper, 80 gsm paper, 80 sheets/160pages, can write on both sides, no inking to other side. Purpose: wide use for study, notes, office, homework, travel, children, men, and women. Weight: 1.98 pounds.