1,Inside Material:silicone; Outside Material:aluminum
<br />2,Size:5 mm/0.2inch Outside Diameter,3mm/0.11inch Inside Diameter,3 mm/0.11inch Length
<br />3,The inner silicone can effectively protect hair from damage of the outer hard metal extrusion
<br />4,A great helper for Hair Extension Installation
<br />5,It holds human hair very tightly after pinched and it will not easily get slide when wearing
<br />
<br />There are two advantages for silicone rings:
<br />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.
<br />2) No silding from human hair.
<br />Color:show as pictures (other colors available,please visit our store for more).
<br />
<br />Package include:
<br />1 x bag of(200pcs) Micro Rings for hair extensions