The instrument bow hair is a very important part of the insturment, so the maker of the instruments use the mongolia horse tail hair as the bow hair raw material. We offer the natural 100% mognolia horse tail hair, and as the bow hair material the size is from 31 inch to 36 inch or more. The horse tail hair have the stallion horse tail hair and mare horse tail hair , you can choose as your request. Besides the white horse tail hair, we also offer the black horse tail hair,brown horse tail hair and dye color horse tail hair.If the customers have the speical need in color, size and package, pls tell us, we will do our best to satisfy the clients' demand. Thank you for your browsing.