Get this cute Mermaid Body Baby Onesie online online from U.S. Custom Kids that features a body of a mermaid. This design measures 9 x 8 inches across the front of the onesie. U.S. Custom Kids uses high quality Rabbit Skins onesies made with 5 ounces of 100% cotton. Get high quality baby onesies at cheap prices at U.S. Custom Kids! Free Shipping in the USA.