One Patty Edge and Scalp System. Fits Size Reg to Large. Medical adhesive tape included. Hand crafted with a fine silk lace for comfort as well as utility in the application of the tape when desired. Tape is for hairless scalp only. This breathable unit protects and safely fills in severely damaged edges at the complete hair-line as well as crown and nape regions. For a full hair installation with the intention of parting closures or frontals at the crown area.