Made with 100% Unprocessed human hair weave no shedding, tangle free, and no lice. This hair can be straightened, curled, lightened, colored, and styled as your own. Hand made, very neat stitching, wefts lay flat so no lumps. The density goes by the amount of bundles you desire. Please give all Custom Units 5 to 7 Working Business days(weekend not included) to arrive. NOTE: ANY EXTRA SERVICES BESIDES MAKING THE UNIT WILL COME WITH AN EXTRA FEE!!!