I ordered child size for my 7 year old before and adult size came instead. I thought I made a mistake. So when I ordered the shark face mask I triple checked that it was a child size. Adult size has arrived. My orders say I bought the adult size but I know it has been altered because I was very careful not to grow up. My son was so upset that this happened to him twice. My 10 year old is kid sized and loves it but I bought it in June. I think they are child sized so be careful. You will likely receive an adult size if ordering for a child.