TOPS 2-Part Carbonless Bill for Services Rendered Book, 8.5 x 8.25 Inches, 50 Sheets, White, (4133) 2-part billing form Carbonless with white original and canary duplicate Book size: 8 1/2 x 8 1/4 inches Detached size: 8 1/2 x 7 3/4 inches Convenient spiral bound booklet