[Durable material] The weft clips are made of high-quality stainless steel, strong and durable, not easy to break and damage. More importantly, their exterior is coated with a safe and non-toxic black spray paint, which not only makes them look more textured, but also prevents rust even if they get wet by rain or sweat. [Convenient U-shaped design] The wig clips snap clips have a U-shaped design that can fit your head perfectly, and each clips has 6 teeth, which has a faultless compactness with your hair and will not fall easily. There are 6 small holes providing great convenience for you to connect or sew wigs and a layer of soft rubber at the closure on the 6 teeth snap clips, which can protect your hair from being pulled or hurting. [Easy to use]: No matter your hair is sparse or thick, it is suitable for wig extension. All you need to do is to clamp the wig into the 6 teeth of the wig clips snap clips, and then fix the wig to the hair. The hair extension clips black can keep the hair still without falling from your hair. [30 PCS Available] You will get 30 clips for hair extensions, 32MM, 6 teeth [Wide Application of Use] The comb clips have a wide range of applications, you can use them to weave wigs or extend your hair, and you can use them to DIY various bangs or other hairstyles. In addition, you can also use them to fix your hat or help you take care of your own hairstyle, etc.