The product is a vintage 1966 Twist 'n Turn Barbie Doll with bendable legs and eyelashes, featuring brown eyes and blonde hair. This Barbie doll, produced by Mattel, is made of vinyl and measures 11 inches in size. Part of the Barbie Collector product line, this original fashion doll is a single unit and includes only the doll itself, making it a sought-after collectible for collectors of vintage Barbie dolls from the 1960s.