12/case, Binding: Edge 11"", Binding Style: Stapled and tape bound, Cover Colors: Grey, Cover/Back Material: Genuine Pressboard, Numbered: Yes, Paper: Carbon Paper, Paper Color: White original with yellow copy, Perforated Sheets: One color is perfed, Pockets/Dividers: None, Punched/Unpunched: Unpunched, Ruling: 4 x 4 graph, Sheet Size: 11"" x 9-1/4"", Sheets per book: 50 sets, SKU: RSPRD456