Comes with one Debbie Adult Hairline Protector. Instructional Video Link Included via your email upon purchase. These amazing units fit regular to large adult scalps. For full installation of machine wefted hair extensions. These units protect and safely fill in fine to damaged hairlines without the use of tapes or adhesives. As with all of our pieces, they are great for accessing the scalp while applying therapeutic oils or scalp medications. Lined with a fine silk lace inside and outside of the perimeter for ventilating baby hairs as well as functionality and durability. You can use these units to create a full look with or without closures, frontals or 360’s. Design China Cuts at crown area, no problem.