Durable construction and materials Corner pins and duvet clips are made of PP material and covered with cloth for a soft touch. Acrylic pins provide flexibility and are less prone to breaking. The design is compact, durable, and reusable for longterm use. Design and safety features OneClick unlocking design allows easy removal when needed. The nail tip can penetrate through multiple layers of fabric with ease. The clip's internal material is quality aluminum, which enhances safety and reduces puncture risk. The semicircle mushroom shape not only secures the duvet from shifting but also adds a decorative touch to your bedding. Easy operation How to use: remove one clip cap and plastic pin, insert the steel needle into the plastic pin, pass it through the duvet or fabric layers, remove the needle, and cover the cap. This keeps your sheet from shifting. Easy removal To remove, press the unlock button directly for quick and simple release. Specifications and performance Materials: PP outer shell with a cloth covering; acrylic pins; aluminum internal mechanism. Function: OneClick unlock; secure fastening to prevent shifting; safe for use with multiple fabric layers. Compatibility and purpose: Suitable for securing duvet covers, quilts, and sheets by penetrating multiple fabric layers while minimizing the risk of puncture. Use scenarios At home: securely fasten a duvet cover to a quilt or sheet to prevent shifting during sleep. Guest rooms or hotels: keep bedding neat and in place for a tidy, easy bedmaking experience. Travel or moving: quickly secure bedding while handling or packing, reducing movement and mess.