The LA WeaveMicro Weft is a time effective and safe hair extensions application. Using a thin machine weft combined with the silicone micro ring technology, each micro ring is pre-attached along the top of the weft. In the industry since 2002, The Micro Ring Weft is one of the safest hair extension applications as it uses no heat and no glue. Stylists can apply the micro weft within 1 hour. Try now!