Quantity:24 per packMetal entrainment rubber plug, comfortable and durable, does not hurt the scalp.With silicone inserts to ensure grip and prevent slipping.Similar to hair color, invisible, too small to be found. High-quality material, the top of each small tooth is a round head design, so that the scalp is not hurt.The rubber design increases friction and is not easy to slip off. Make your wig, hair extension or hat not easy to slip off.