3 Yard Walker Lace Tapes 0.5 Inch – Pro-Flex II Tape Roll is a very popular Hypoallergenic Hair Replacement System Tape and Hair Extension Tape makes attaching hair replacement and hair extension wefts easy. It’s made with Urethane, which makes for a very flexible bond. Usually the most tacky, it requires more skill to apply. Pro-Flex II Tape is available in all standard Shapes and Roll Sizes. Depending on temperature, humidity and body oils Pro-Flex II Tape can last for up to weeks. They provide a tremendous extended wear bonding tape with a strong hold and a reduced shine (dull finish) that is hypoallergenic & waterproof. A perfect choice for attaching lace bases and even thin skin bases. Consider as an alternative means to attaching thin skin fronts, but you need to be careful when removing the tape from the skin.