The velvet hangers clips are made from plastic material, covered with velvet material. These grip clips for hangers have a super-strong clamping force to keep your clothes securely fastened to the hanger. The secure no-slip teeth grip onto garments without leaving deep indentations on even the most delicate of fabrics. These hanger clips are perfect for velvet hangers. There is great resistance between velvet and velvet, as long as you wouldn't move them around too much, or take the clips off hangers and put them back on often, they shouldn't create excessive wear on the hangers' velvet. So please fix attach the velvet clips to the flocking rack so as to better protect the velvet hangers' velvet. You can hang skirts and pants with these clips for hangers, and even accessories such as ties, scarves, and shawls (Noted they are not long enough to grab medium weight clothes). The hanger clips have smooth edges with no metal parts that could snag, tear, or damage your clothes. These velvet clips are a versatile and practical addition to your closet Our clothes hanger clips attach firmly onto any slimline hanger to offer you extra clothing storage which can adapt to any garment. The perfect clips for velvet hangers, they are durable enough to withstand daily usage. color:Black