Attention all wannabe sea creatures: you can buy a mermaid tail on the internet now, and it's nothing like the little kid costumes you're picturing in your head. No, no, these babies are authentic.

The Viniello girls model their parents’ mermaid sleeping bag designs. Courtesy Viniello Family The Viniellos came up with the idea of Enchantails when Mark, a 20-year veteran in make-up special ...