This is the OMS Scuba Diving A-W-Slate Wrist Slate with 3 Writing Surfaces It Features: The OMS PVC wrist slate incorporates three(3) writing surfaces Has two(2) attached leaves for multiple writing surfaces Elastic cord affixed to the solid graphite pencil prevents accidental loss Base that curves around your wrist Special clip system stows the graphite pencil The elastic cords secure the slate and conform to the wrist area on your exposure suit Wanna say something to your dive buddy but they&';re just not getting your hand signals? Write it out with this ultra-handy writing slate!