Unique design: The clip has a unique design. The tip of the nail can easily penetrate through multiple layers of tissue. The inner material of the clip is made of high quality aluminum, which is safer to use and greatly reduces the risk of punctures. The mushroom-shaped semicircle shape can not only fix the quilt well preventing shifting, but also beautify the quilt as a beautiful decoration. Lightweight and safe:: With these lightweight and small fixing clips, you don't need to use bulky clips or bulky magnets, which may damage the comforter or make it heavy. As practical tools for quilts, cushions, curtains, sofa covers and pillowcases, they won't come loose easily. Simple and elegant, these little things will save your time or effort and bring you a good experience. Simple to use:: just pass the needle through the quilt and put the nail into the round hole at the other end to secure it. When you want to take it off, you can press the button to unlock it directly, which is very easy to take off. High quality materials: Buttons and mushroom nails have a cotton surface. The texture is soft and you won't feel cold when it touches the body. The ABS material at the bottom is strong, wear-resistant and durable. Package Contents: You will receive 16 sets of duvet cover clips: 16 mushroom buttons, 16 long nails, 16 plastic nails. Long nails can be applied to thick fabrics such as spring, fall and winter quilts, back cushions and seat cushions.