Top seller in the permanent wear line. Famous for its dull finish. A must have for any shop owner. Maximum wear (2-4 weeks) tapes are the longest lasting tapes we make. Depending on temperature, humidity, a nd body oils, they can last up to six weeks. usually the most tacky, they require more skill to apply. High quality double-sided front contour lace front wig tape for Hair Systems. These front contour tapes with blue backing give virtually invisible bonds providing strong adhesion for Lace Systems, up to 1-4 weeks.