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 stows in your BCD pocket. This 6" x 9" (15cm x 23cm) Plastic slate depicts 60-plus invertebrates and corals in color drawings, and is hole punched to secure a lanyard for underwater use. Easy to maintain just rinse the fish card with fresh water after a day in the sea. Fish ID cards make a great gift idea.