This is a set of three snorkel sets. They were used without any problems for snorkeling this summer. They are clean with no major scratches or stains, but please check the photos for the condition of the items. How about for your kids' summer vacation?? - The snorkels fit and were used by elementary school students. - The fins depend on the foot size, so please refer to the listed sizes. These sizes are for bare feet or with socks. Please check the photos for the size when wearing marine shoes. ① AQA Snorkel Set M size, Fin size 23-25cm ② AQA Snorkel, ReefTourer Fin Set M size, Fin size 23-26cm ③ AQA Snorkel, ReefTourer Fin Set L size, Fin size 25-28cm Please purchase as a set. They will be shipped without the cases. Please comment if you have any questions. If you need expedited shipping, please also consult in the comments section. Thank you.