Accident prevention: Engineered with a safety lock and a connected locking component to provide reliable protection against accidental disengagement in swimming environments. Safe and stable grip: Nonslip surfaces increase handheld friction, delivering a stable grip for children and improving control of the kick board during use. Progressive support: Offers adjustable buoyancy with three mounting options to accompany the development of children's swimming skills. Soft and safe materials: Soft touch surface made from elasticity hypoallergenic material provides comfortable, reliable support during play. Compatibility: Three mounting options offer compatibility with a range of kick boards, enhancing ease of use. Use scenarios Swimming lessons and parentchild practice: Instructors or parents can adjust buoyancy with the three mounting options to match the child's kicking technique and confidence, while the safety lock reduces risk of unintended movement. Home or travel pool use: At home or in hotel pools, families can tailor buoyancy for practice sessions, supporting safe exploration and skill development as the child grows. Daycare and supervised play: In group settings, caregivers can provide scalable support and stable guidance for young swimmers, promoting safe engagement and gradual progression.