The Barbie Dreamtopia Mermaid Tail Doll Lot includes 3 dolls: 1 Barbie and 2 Chelsea Mermaid Dolls. Each doll has pink and purple hair, made from vinyl, hard plastic, and plastic materials. They are part of the Barbie franchise, specifically the Mermaid Series, and are from the 2019-2021 time period. The set is branded by Mattel and is a part of the Barbie Dreamtopia collection, perfect for fans of fantasy-themed dolls.