Features: brand new and high quality High quality silicone material, soft and comfortable, antiwear and durable. The streamlined frame concentrates the water pressure and brings greater stability. With soft foot pockets and the best parts, it can float and are more practical. Very suitable for snorkeling, swimming, diving and other water sports. Various sizes for you to choose from, which can meet your different needs. Specifications: Material: Silicone Color: Blue Size Optional: XS/S/for M/L/XL Size:XSExternal Length:26cm(10.2inch) Internal Length:20cm(7.8inch) Size:SExternal Length:29cm(11.4inch) Internal Length:22cm(8.6inch) Size:MExternal Length:32cm(12.5inch) Internal Length:24cm(9.4inch) Size:LExternal Length:34cm(13.3inch) Internal Length:26cm(10.2inch) Size:XLExternal Length:36cm(14.1inch) Internal Length:28cm(11.0inch) Note: Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Pair of Swim Fins