... screw, silicone micro ring Color: Black, brown,blond size:3.4mm*3.0mm*6.0mm, color: black,brown,blonde,dark brown,light ... , 2.5 height Large: 2.5mm inside, outside 4.5mm, 3mm height X-Large: 3mm inside, outside 5mm, 3mm height Micro Rings: 2 ... ) Finish – Slide out the extension hair after opening the ring. High quality silicone micro rings micro beads for hot fushion hair extension