HIGH-QUALITY SNORKEL FINS - The Swim Fins featuring anti-slip soles, maximum flexibility & comfort will quickly become your new favorite on-the-go flippers! Say "bye" to fatigue and cramps - say "hello" to swimming, diving, and snorkeling like never before! They also come with a bag for non-scratch storage and are available in multiple designs! ANTI-SLIP & DURABLE - Created with long-lasting Polypropylene (PP) and Thermoplastic Rubber (TPR) which serve as a natural extension of your feet while exploring the most beautiful caves or simply swimming in a lagoon. On top of that, each fin has an anti-slip sole that supports better grip when you need it most, so you can fully enjoy your adventures! SIZE - 1 cm=0.39 in S-Shoe size:36~38/5.5~6.5- Length:52.6cm-Width:17.2cm-Sole:29.9cm M-Shoe size:39~41/7~8- Length:55.1cm-Width:18.4cm-Sole:31.6cm L-Shoe size:42~44/8.5~9.6- Length:58.2cm-Width:18.6cm-Sole:33.9cm XL-Shoe size:45~46/10~10.5- Length:61.6cm-Width:19.7cm-Sole:35.6cm