Our Duvet Cover Clips has Long Nails. Long nails can be applied to thick fabrics such as spring, autumn and winter quilts, back cushions and seat cushions. The Mushroom buttons and nails of Duvet Fasteners use cotton material, the texture is soft and you won't feel cold when it touches the body. This Duvet Clips has a One-Click unlocking design, just put the nail in the round hole on the other end to fix it tightly, in contrast, press down the click button to release the nails. The ABS material at the bottom is strong, wear-resistant and durable. Sheet Pins for Bedding are easy to fasten and remove without using separate magnetic key, which can keep comforter from shifting. Mushroom Quilt Holder help you no longer wake up with comforter, blanket, or duvet in a bunch. Useful and nice tools for curtains, pin comforters, couch covers.