specification: _x000D_Item Type: Hair Extension Ring_x000D_Material: Pure Cotton + Silicone_x000D_Craft: Baking finish_x000D_Optional Color: 6#, 8# _x000D_Outer Diameter: Approx. 2.9mm / 0.11in_x000D_Inner Diameter: Approx. 1.6mm / 0.06in_x000D_Length: Approx. 2mm / 0.08in_x000D_Quantity: 1000pcs / bottle Features: 1Small product, suitable for small rod hair extensions, increase the concealment and comfort. 2The inner wall of the silicone tube can effectively prevent the metal directly clip hair scales. 3Suitable for all types of different hair quality, no damage to your hair. 4Made of quality pure cotton and silicone material, durable and sturdy, reliable in use. 5There are 2 different colors available, you can choose according to needs. PackageList: 1000 xHair Extension Ring