Micro Loop Ring Hair Extensions is the updated Stick hair, which is made of 100% human hair with self Micro ring System. You only need a professional hair extensions plier to apply these hair extensions which menas hair extension tools will not be needed! This is because Micro Loop Hair Extensions have the Micro Loop and Micro ring attached already. This system does not require any heat, glue, keratin bonding or sewing. Most importantly this system does not yield damaging effects on the hair as heat, glue, keratin bonds, glues, braiding or sewing. No Glue, No Mess, No Fuss The latest innovation of hair extensions. It is easy to use without heat or glue. I&K Micro Loop Ring Hair extensions is made by 100% finest human hair and it has micro ring already in place. All you need is the pliers. You can straighten, curl and cut it. Materials: Selected 100% finest Human hair, Highest Quality Keratin, Plastic coated aluminum rings and plastic loop. Length - 26 Inches-66CM Weight - 0.50grams (Between 200-300 strands will be needed for a full head) Application Time: 40 minutes (approx.) Life: 6 to 12 Months (depending on care and use)