Jo MINK Collection is Grade 7A which is Ranked one of the Highest quality Virgin hair in the country. Mink is 100% Brazilian Virgin Human Hair (unprocessed) no chemicals, no mixed blends, no fiber, no animal hair is used to construct our bundles. Each Individual piece come from a separate donor. Each bundle of hair is inspected by the owner to ensure cuticles are intact and wefts superiorly strong. Its silkier, softer, thicker, and last longer.