Description:This product is hair extension ring, a great accessory for hair extension. It is made of high quality material, which is safe to your hair and environmental friendly. Comes with 500pcs in one bottle is very practical. With very soft silicone lining, which allows you to install them to the head for maximum comfort to the client and undetectable. It holds human hair very tightly after pinched and it will not easily get slide when wearing. Available in 5 colors, you have more selection. Features:Made of high quality material, which is safe to put on your hair and without damage to your hair.Comes with 500pcs in one bottle is very practical.With very soft silicone lining, which allows you to install them to the head for maximum comfort to the client and undetectable.It holds human hair very tightly after pinched and it will not easily get slide when wearing.Available in 5 colors, you have more selections.A great accessory for hair extension, easy to put on and remove.Specification:Condition: 100% Brand NewItem Type: Hair Extension RingsMaterial: Aluminum + SiliconeInner Diameter: Approx. 0.3cm / 0.12inchOuter Diameter: Approx. 0.5cm / 0.2inchHeight: Approx. 0.3cm / 0.12inchBottle Size: Approx. 3.7 * 6.7cm / 1.5 * 2.6inchColor: Black, Dark Brown, Brown, Light Brown, Blonde(Optional)Package Weight: Approx. 58gPackage Include:1 x Bottle Of 500PCS Hair Extension RingsNotes:1. Please allow 1-2mm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.