Product Detail Material: 100% remy human hair. Silky soft and tangle free. Texture: straight. You can restyle at home, make curl or straighten, note tempreture should be under 180?Hair life: 6-12 months (depending on your care)Glue life: 1-2 months (10 more pcs of extra tape are included in package for replacement)Length: 12-24 inchesWeight: 30/40/50/60 gramQuantity: 20 pcs/pack Tape in human hair extensions, help you get thick and full hair immediately! 100% real human hair: collected with young healthy donors, silky soft and tangle free, naturally blend with your own hairRestylable: you can cut, curl, straight and dye, please note heating tempreture should be under 180? and only light color can dye to dark color.