Extension Clips::These Snap Clips are perfect for Hair Extension Weft Wigs. These Snap clips feature "U" shape teeth. These Snap Clip are made of flexible metal with soft rubber backing which protects your natural hair from damage. Description: 12 pcs "U" shaped snap clips for hair extension Flexible metal with soft rubber backing which protects your hair from damage Small holes around the edges allow you to sew the hair onto the clip Ideal for keeping ,b>wigs, toupees and hair pieces firmly in place. Color: Black Material: Metal with baking finish Package Includes: 12 pcs snap clips Blue Liner Lace Tape ::Blue Liner Lace Support Tape-36 Strips-Contour CC for hair Wig/hair system Blue Liner is top seller in permanent wear and famous for its dull finish. Wear Time : 2-4 weeks Depending on person to person ,temperature, humidity, Skin oil etc.