ITEM NAME:Polyester Hair Track Weft Weaving Sew Decor Thread For Hair Extensions Black img *{margin:0;padding:0;.'I' Straight Type + 'J' Style + 'C' Style - Curved Shape Hair Weaving Needle:Especially made for use with natural human hair or clip in hair extensions,its sleek design to slide through wefts while the eye is slightly larger to accommodate the larger thread used for hair extensions.