This is a Barbie fashion doll accessory, specifically a single pink flip flop sandal for Barbie's beach feet. The shoe is made of hard plastic and is lightweight, designed for an 11-inch Barbie doll. It is part of the Barbie fashion line, suitable for everyday wear or special occasions. The sandal is an original Barbie product from the 2010-2019 time period, featuring the Barbie franchise logo.