The product is a lot of 4 Mattel Barbie Mermaid dolls from the Color Reveal, Dreamtopia, and Light Up series. Each doll has a varying hair color, straight hair, a light complexion, blue eyes, and belongs to the Mermaid Series. These  dolls are part of the Barbie franchise and are made with a combination of hard plastic, cloth, and plastic materials. They are girl dolls suitable for all occasions . The set includes each doll individually without packaging, and they are original licensed reproduction dolls by Mattel. they are all different sized barbies comes as shown the light up mermaid needs batteries .