Large, A4 sized Underwater Dive Slate with precision tipped dive pencil on flexible highly visible elastic bungee cord. Can be attached to a suitable point on other equipment by using the extra strong nylon quick release attachment clip, this also allows fast and easy removal when required. The large 11 ½ X 8 ¼ inch/ 290 X 210mm size provides extra space for underwater use or communicating with your buddy or trainee, compared to smaller types of Divers Slates. Wipe clean surface which can be used time and time again.