Adams Spiral Bound Phone Message Book, Carbonless Duplicate, 4 Messages per Page, 600 Sets per Book (SC1164D) 2-part carbonless (white, canary paper sequence) 4 messages per page 600 total sets Each message measures 5 x 2.75 inches Spiral binding allows you to keep a permanent copy for your records 2-part carbonless (white, canary paper sequence) 4 messages per page 600 total sets Each message measures 5 x 2.75 inches Spiral binding allows you to keep a permanent copy for your records