1000PCS/Bottle Silicone Link Rings Beads Tools For Feather Human Hair Extension(1000PCS Black) Description: This product is hair extension ring, a great accessory for hair extension. It is made of material, which is safe to your hair and environmental friendly. 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 3 colors and quantities, you have more selections. Features: Made of material, which is safe to put on your hair and without damage to your hair. 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 3 colors and 4 quantities, you have more selections. A great accessory for hair extension, easy to put on and remove. Specification: Condition: Item Type: Hair Extension Rings Material: Silicone Inner Diameter: Approx. 3mm / 0.12inch Outer Diameter: Approx. 5mm / 0.20inch Small Bottle Size: Approx. 3.8 * 6.7cm / 1.5 * 2.6inch Big Bottle Size: Approx. 4.5 * 8cm / 1.8 * 3.1inch Optional Color: Black, Brown, Beige Optional Quantity: 200PCS, 500PCS, 1000PCS, 2000PCS Package Weight:  Approx.  19g(200pcs), 63g(500pcs), 104g(1000pcs), 172g(2000pcs) How to attach and remove: Attach: Pull the hair through the micro ring with a hook needle, and squeeze the ring to attach. Remove: Open the micro ring with a pliers and remove it. Package Include: 200PCS / 500PCS / 1000PCS / 2000PCS Hair Extension Rings Notes: 1. Please note that 200pcs and 2000pcs are packaged in opp bag, 500pcs and 1000pcs are packaged in bottle. 2. Please allow 1-2mm error due to manual measurement. Thanks for your understanding. 3. 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.