This is type of hair the more popular of all over the world because have good quality and not so expensive price. This type of hairs are produced from south and north-east (Siberia) part of Russia. This hairs have a really hight quality. From this hairs isn't removed scales. Hairs are soft and silky. The color range of hair begins from dark brown to black color that's why hairs is well colored. This hairs more suitable for customers with a dense structure of hair.