Large Size and versatility: total length approximately 64 cm / 25.20 inch, suitable for adults and children. Can be used as swim arm bands for adults and as a float belt for children, offering practical options for different swimming needs. Enhanced buoyancy: width approximately 8 cm / 3.15 inch, providing increased buoyancy and a more secure flotation experience. Thicker design helps during swim training so you can focus on technique. Easy to wear and secure fastening: fastening tape straps enable easy on/off and a secure fit. Straps are reliable, providing a firm hold to prevent slipping during swimming sessions. Quality material: made from EVA material, soft and skinfriendly with buoyancy. Comfortable to wear and suitable for swim training and water activities. Use scenarios: Adults practicing laps or waterbased training, benefiting from added buoyancy. Children learning to swim, usable as arm bands or as a float belt for extra buoyancy. Recreational pool or beach time, providing flotation support and confidence.