4×4 Closure with reinforced lace finish. 100% human virgin hair. Note, being that the hair is virgin the colors may vary from 1b to 3 depending on the donor. Your virgin hair can be colored, curled, and straightened. Recommended maintenance includes weekly washing and conditioning and moisturizing with a light oil/serum. With proper maintenance, your locks of luxury will last at least 1 year. Wash and Deep Condition service available prior to receiving and or after uninstalling your bundles.