A notebook journal to log your notes when scuba diving with areas for the Dive #, Date, Location, Ocean, Depth, Time In/Out, BAR PSI Start/End, RNT ABT TBT, Visibility, Gear Used, Dive Shop Stamps, Dive Comments, Bottom Time to Date, Time out of this Dive, Cumulative Dive Time, and box for Verification Signature. Underwater ocean life mural on cover, both front and back 108 pages 6" x 9" Glossy paperback cover