Hair extension beads for hair extensions Material: Aluminium,silicone(The silicone inside keeps it from human hair slipping,and protect your hair) Work great for adding hair extensions,feathers or tinsel etc. Easy to install and hold well with prefect size: 5.0x3.0x3.0mm(inside dim:3.0mm) Quantity:1000pcs;Color: Light Brown GOTDYA 1000pcs 5mm Hair Extension Beads,Silicone Lined Micro Rings,MicroLink Beads for Hair Extensions,Light Brown