KOCONI 1000 Pcs Nano Rings 3mm Hair Extension Beads - Silicone Lined Micro Beads for Nano Rings #5 BrownCopper material with Silicon pipe,thanks to the small size can be attached to your hair easily and invisible . Silicone Nano Rings are used for Nano Tip stick hair extensions Color Available: #1 black, #3 dark brown, #5 brown, #6 beige blonde,#8 dark blond, #11 light brown,#13 light blonde. can match your hair perfectly. Quantities: 1000units per color per bottle,net weight: about 55g. Size: 3. 0mm*1. 6mm*2. 0mm