MaterialMushroom buttons and 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. Unique DesignThe clip has a One-Click unlocking design. The nail tip can easily penetrate through multiple layers of fabric. The internal material of the clip is high-quality aluminum, which is safer to use and greatly reduce the risk of puncture. The semicircle mushroom shape can not only fix the duvet well from shifting, but also embellish the quilt as a nice decoration. AdvantageYou only need to pass the needle through the quilt and put the nail in the round hole on the other end to fix it. When you want to remove it, you can press the button to unlock it directly, which is very easy to remove. ApplicationThe sheet fixing clip can be widely used to fix curtains, quilts, sofa covers, and so on, With these lightweight clips, you don't need to use bulky clips or bulky magnets that could make it heavy or damage your quilt. SpecificationMaterial : Cotton + ABS;Size : 3 x 3 cm;Colour : Grey;Package Includes : 8pc ClipsNote1. Please Allow Slight Dimension Difference Due to Different Manual Measurement.2. Due to the Light and Screen Setting Difference, the Item's Color May Be Slightly Different from the Pictures.3. Wish You a Wonderful On-Line Shopping...Thank You!!!!!