Red Liner - small Roll - 10mm x 5 meters for Hair Wig/Hair system - 1 Piece Hold Time: 2-3 days This is a very low residue tape, which is popular for use on poly units due to its easy cleanup This is the most widely used hair piece tape for permanent attachment. Do not be misled by the name, this tape is definitely clear. It is more water resistant than other tapes and has a strong holding strength. It is popular for use on poly units due to its easy cleanup. So if you need a low residue and easy cleanup daily wear or extended wear tape made for units with polyurethane, this is the tape for you.