Buy G string panty online in India. These are G String panti where there will be just a string on the back side. These are most exclusive panties. A G-string (alternatively gee-string or gee string) is a type of thong, a narrow piece of cloth, or plastic, that is attached to a band around the hips. As underwear, a G-string may be worn in preference to panties to avoid creation of a visible panty line.