For practicing the four swimming strokes and water walking Good for aquabics. Provides propulsion and resistance. Also good for children's play in the sea or pool. Made of silicone and is ultra-lightweight. Soft, so it's easy to prevent injuries and problems. Pool, beach, Okinawa Competitive swimming, masters, swimming, open water, triathlon, aquathlon, swimming training, swimming practice, school pool Paddle gloves, arena, diving Thank you for viewing.