Hair specs: 100% human hairTexture: StraightWeight/unit: 1gramType: i-tip Keratin fusion hair Hair Origin: BrazilianCan be permedItems per pack: 100 strands Hair type: strands thick hairPacks need: generally 1-2 packs (this can vary depending on your hair type)Hair can last 3 to 6months or longer with proper care.*Important message* PLEASE consult with a professional stylist for information regarding packs needed for your hair type. We will not be responsible for how many packs you need to complete a full head we can only generalize the average person hair type. *if you need color blonde please let us know*