secret halo hair extensions pieces flip in curly wavy hair extension synthetic women hairpieces (20 inch (pack of 1), # 33j) aiyizelz the curly halo hair extensions details : 1. the hair extensions size: straighten length 20 inch; material: 100% high temperature heat resistence synthetic fiber hair (under 180 degree celsius),feels soft and natural like real human hair. 2. halo curly hair extensions advantage: no clips, no glue, no tape, unlike the traditional clip in hair extensions, this new secret extension is lighter and more comfortable,and really easier to apply and remove without any extra help in a few minutes. if you are looking for fuller ,thicker volume ,suggest you order 2pcs. 3. color: as the picture show, color difference might occasionally happens due to the display, light factors. if the product doesn't meet your expectation, you can ask for help by e-mail, we will reply you promptly within 24 hours. how to use the hair extensions : step 1: place the hair extension with the wire sitting behind the line.gently push down to fit over the ears and sit the base of the skull. step 2 : use the tail comb to pull your own hair over the wire hair extension. step 3: split your hair above the ears and leave over the top. step 4: place the hair extension with wire sitting behind ,pull your own hair over the hair extension. step 5: release the top section of your hair.gently tousle to blend your natural hair on extensions.