Suitable for adults and children; designed to accommodate a wide range of foot sizes. Provide additional propulsion and support a variety of swimming exercises, helping maximize workouts and improve technique. Made from elastic material, delivering powerful propulsion and flexibility to increase efficiency in the water. Secure fastening design prevents the fins from slipping or coming off during water activity. 23 practical use scenarios Pool training and technique development: use during kick drills, lap sets, and endurance training to build leg strength and improve propulsion. Lessons for children and beginners: extra propulsion helps learners feel propulsion and gain confidence while practicing kicks. Water fitness and controlled movements: use in water aerobics or rehabstyle workouts to add resistance and support steady, safe movements. Key attributes Function: enhances propulsion and supports various swimming exercises. Compatibility: suitable for adults and children; designed to fit a broad range of foot sizes. Material: elastic for propulsion and flexibility. Performance: aims to improve water efficiency through stronger, faster kicks.