This is an extra-small (XS) retractable pet traction belt from the Hi Tech brand, also known as a retractable dog leash. The handle is pink with a black casing. 
 
Features:
 
Leash Length and Type: The leash is a cord that extends up to 16.5 feet (5 meters).
 
Maximum Tension: It is designed to handle a maximum tension of 33 pounds.
 
Ergonomics: The packaging highlights that it offers "comfort and control during walks" and "easy operation".