Adjustable fit for growing feet These swimming fins offer an adjustable size range of 14 5cm, providing a secure and comfortable fit for children as they grow, making them suitable for frequent use. Nonslip comfort A unique nonslip bottom delivers stability and support, reducing fatigue during extended time in the water. Streamlined design for speed The streamlined shape minimizes drag during swimming or diving, improving speed and efficiency in the water. Use for all activities Suitable for snorkeling, scuba diving, or pool play, and appropriate for both beginners and more experienced swimmers. Use scenarios Family snorkeling sessions: children wear the fins to improve propulsion and stability while exploring shallow reefs or pool edges. Beginner scuba diving or practice: comfortable fit and reduced fatigue help learners stay comfortable during lessons in pools or shallow water. Pool games and swim training: enhances kicking technique and confidence during regular swim practice and fun water activities.