Description:”U” shaped snap clips for hair extensionFlexible metal protects your hair from damageSmall holes around the edges allow you to sew the hair onto the clipGreat for keeping wigs, toupees and hair pieces firmly in placeA good help for your hair designSize: Approx. 28x15mm / 1.1×0.6inchMaterial: MetalPackage Includes:100 Pieces Black Hair Extension Snap Clips100 Pieces Brown Hair Extension Snap Clips