Seamless Clip In Hair Extensions Quality Assurance- Invisible and comfortable-seamless clip in hair extensions are made with high-quality 100% virgin human hair, silky salon professional human hair, soft like your own natural hair, no shedding, no tangling. They are made with a thin silicone-weft base that lays flat against your head and lets you feel more comfortable. A thin silicone-based weft base can create a more natural look. Seamless Clip In Hair Extensions Specification- GOO GOO Tape weft clip in hair extensions human hair, different weight for different length, 130g for 14-18 inch, 150g for 20-22 inch, meet your actual demands better. 7pcs with 16 clips per pack, thick from top to end, 1 pack is enough for a normal full head, 2 packs are recommended if prefer thick hair. Up to 7 layers PU Bonding Technology for Fixing Double Weft Hair--No Shedding--We use the newly advanced technology to make the hair into a double weft to the PU strips, and bond the PU glue up to 7 times. In this way the PU clip hair extensions will not lose hair. Quick Wear & Long Lasting Wear- Clips are sewed stably, covered with a layer of skin weft PU to carefully protect your scalp and hair. You can easily apply and remove it by yourself to change hairstyle for different occasions, like wedding, parties, dating, etc,. Our seamless clip in hair extensions can last 3-4 months with good care, can be restyled, strengthened, curled, dyed. When you curl or straighten them, please control the temperature under 250F.