silicone Swim fins/100% silicone material,Three sizes:large medium small 1.silicone Swim fins2.100% silicone material3..Resistant to cold, heat-proof quality 4.More fresh and brighter underwater 5.Innocuous high-tech material, have no allergic phenomenon to the skin 6.OEM fracture, suitable for sales promotion and present!7 size: Large Medium Small Silicone Swim Fins