swimming swim diving fins 1.100% silicone 2.customized size and color 3.pass ISO9001,ROHS,SGScertification 4.OEM&ODM swimming swim diving 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) Clients' logo can be debossed ...