If you already dive the Pacific Coast, or are planning a trip to the Pacific Coast, this I.D. card is a must for underwater identification. This full-color fish identification card allows you to know what local wildlife you are looking at when you see it. Card is waterproof and easily stored in your BCD pocket. This 6 X 9 inch (15 x 23 cm) plastic slate depicts 60-plus inshore fish in color drawings, and is hole-punched to secure a lanyard for underwater use.