Self-Adhesive Telephone Messages Book includes 400 two-part carbonless sets of 2-3/4" x 6" self-adhesive message forms with ample room for you to write your messages. First copy is white, second copy is yellow. Each message form has a self-adhesive strip that lets you stick it to almost any vertical or horizontal surface, so you can put it where it is most likely to get seen. Message forms hold firmly yet remove easily without leaving residue. Self-adhesive telephone messages book is spiral bound with flexible cover.