Mink hair is the most sought after hair in the world! This high quality product can last over 2 1/2 years with proper care. Mink grade is 10A which is the highest grade on the market. The expense is do to the carefully made pure unprocessed hair that has a soft texture, durability, and density (thickness). Hair is collected from one donor and has its natural taper at the end of the hair. That is why our is so popular in the world right now!