This Scuba Diver Log Book is compact at 6" x 9", but large enough with 120 pages to easily see you through the whole season. Track all your data like a Pro! Also included is a comprehensive Emergency Safety page for recording all those vital details - quickly to hand, just in case. Page details include: Location (GPS and site), dive detail area (in, out, total), type of dive being done, 02 levels, decompression stats, visibility and temperature, equipment used area, RNT, ABT & TBT details, Dive Centre Stamp area plus many more details. Details: 120 pages 6" x 9" high quality paper Glossy cover Perfect for slipping into the dive gear. Get one yourself and one for someone else.