Walker Tape No-Shine Hair System Tape is well known for having an extremely dull finish and is virtually invisible through any hair system. The high quality double-sided tape has been specifically made for installing and keeping tape-in hair extensions in place securely and discreetly. Has a maximum usage of around 2-4 weeks. Depending on the temperature, humidity and natural body oils, its possible they can last up to six weeks. Can also been used with all skin wefts, hairpieces, wigs and toupées.