Lillie Parsons Dive Slate
SOS field guides are made of white styrene plastic that can be written on underwater in pencel. The slates bendto help protect from breakage. Each slate has a hole includedto use witha lanyard (not supplied). Image may be of the front or the back. They are printed on both sides. The front has a history of the vessel and an above water image. The back has an underwater plan of the site and dive notes. Slates are about 6"x9".