Rich Chocolate Brown #3 - 20inches So gorgeous - real hair you can curl and style however you want :) I only used once perfect condition Halo® extensions use an invisible wire to add length and thickness without glue, tape or clips for damage-free easy on and off application in less than one minute. Our Daydream®, Hidden Crown and Layers Halos are made with ethically-sourced 100% REMY human hair.