Fun for everyone Capable of doing it all, the Black Magic is the best "family" kneeboard on the market. Its famous cable-actuated retractable fin system and Aquatic Hook make the Black Magic the perfect board for successfully teaching kids and beginners the finer points of deep-water starts. Its size pairs well with adults and kids alike, and its smooth bottom contouring delivers a super stable and extremely comfortable ride for all. Features Roto-Molded - Durable, buoyant, and easy to learn on Cable-Actuated Retractable Fins - Adjust the board's performance while riding Integrated Aquatic Hook - Make it easy to get up the first time and every time Molded EVA Pad 3" Padded Strap