Adjustable size for growing feet Adjustable range of 14 5 cm to accommodate developing feet Suitable for children aged 4 and above Comfort and performance in one design Non slip bottom provides a secure grip during swimming Designed for comfort during extended time in the water without fatigue Efficient propulsion for young swimmers Streamlined shape reduces drag Helps kids glide through water whether diving or playing Durable and reliable materials Made from PVC material for lasting use and long lasting aquatic fun Use scenarios Swim lessons and technique practice: fits growing feet, supports proper kicking technique, and helps young swimmers gain confidence in the pool. Pool games and family time: enhances propulsion during easy water activities and poolside fun with siblings and friends. Beach or vacation water exploration: suitable for shallow water exploration and light, supervised water activities during trips.