Features: Craft from comfortable materials, soft and comfortable, antiwear and quality. With soft foot pockets and great part, it can float and is more practical. It is very suitable for snorkeling, swimming, diving and other water sports. Experience the blend of durability and flexibility with our frees diving fin. These snorkeling foot flippers are ergonomically designs to reduce fatigue and enhances comfort. Specifications: Materials: Rubber Color Optional: 7 Color is Available as Show in the Picture. Size Optional: XS/Small/M/1ML/L Size:XS Outer Length:47.50cm(18.70inch) Inner Length:22.50cm(8.86inch) Width:19cm(7.48inch) Size:S Outer Length:48.8cm(19.21inch) Inner Length:22.8cm(8.98inch) Width:19.50cm(7.68inch) Size:M Outer Length:50.8cm(20.00inch) Inner Length:23.8cm(9.37inch) Width:20cm(7.87inch) Size:1ML Outer Length:53.3cm(20.98inch) Inner Length:25cm(9.84inch) Width:21cm(8.27inch) Size:L Outer Length:55.50cm(21.85inch) Inner Length:26cm(10.24inch) Width:22cm(8.66inch) Package Includes: 1 Pair of Swimming Fin note: Please allow 1-2cm error due to manual measurement. Please make sures you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual colorful of the item. Thanks!