diving fins swim flippers swim fins 1100% silicone 2customized size and color 3pass ISO9001,ROHS,SGScertification 4OEM&ODM Silicone diving fins swim flippers swim fins 1) Light weight, durable and comfortable. 2) The superior and unique fishtail design increase the efficiency of diving. 3) Flexible blade for minimal resistance and deal stability. 4) Provide more power with less fatigue. 5) ...