Weft Russian hair extensions , it's 100 grams of hair , brought from russia for 1000 dollars , it's amazing , the best quality hair that you can buy , 22 inches long , all the hair cuticles are facing one direction so doesn't knot at all , beautiful soft and shiny , you can cut , colour , straighten , curl . To put these extensions in , you braid your hair across and sew the extensions to the braid , healthiest extensions you can have , no damage at all to your own hair