It holds human hair very tightly after pinched and it will not easily get slide when wearing. There are two advantages for silicon rings:
1) No damage to human hair. It is because there is very soft silicone lined inside, so it is very safe to human hair even it is pinched very tightly.
2) No silding from human hair. package include:200xSilicone Lined Micro Rings Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
