Hybrid Extensions combine the best features of a hand-tied and flat wefts to create an incredibly thin, virtually undetectable weft that offers a seamless blend with natural hair. It's as thin as a hand-tied wefts but, can be easily customized by cutting without any shedding. These wefts work for anyone, but especially for those with finer hair. Extensions can last 9-12 months with proper hair care. Hair care instructions are provided by the stylist who installs your hair. There is also tips on the back of our hair packaging. Extensions can be toned with professonal demi permanent color or shampoo with purple shampoo. Each Package contains 80 grams & has 2 Wefts that are 12" in width. We recommend 1-2 pack for fullness & 2-3 packs when adding length.