Beco shark fin - Sealife 15-30 kg - GreenBeco Sealife Shark Fin The Fun and Effective Swim Fin for Kids The Beco is an innovative buoyancy fin that straps securely to the back, providing children with extra lift in the water without restricting their freedom of movement. With its cool shark fin design, the Beco makes swimming both more enjoyable and natural, allowing kids to move freely while they enhance their swimming skills. Designed as an alternative to traditional swimming rings and