Dacron Comprehensive Set Includes: This set comes with 16 down comforter clips, 1 roll of white thread, and 16 specialized threading needles of various sizes, perfectly meeting all your installation needs. This complete kit ensures you have everything required in one purchase, eliminating the need for additional accessories. Precision Concealed Design: The down comforter fasteners feature an internal threading method for installation, not only providing an aesthetically pleasing and discreet appearance but also ensuring durability and robust use. This design keeps the comforter looking neat and intact, protecting its integrity and appearance. Secure Fixation: Once installed, the down comforter core is firmly secured, preventing any unwanted movement and providing a stable sleeping environment. Regardless of how much you toss and turn, the comforter stays in place, enhancing your comfort during sleep. Safe and Convenient: The unique concealed button design allows for easy and safe opening and closing. This design facilitates effortless removal when it's time to wash the comforter, ensuring that the buttons do not come off during the cleaning process and that the comforter remains securely in place afterward. Innovative Fixation Solution: The down comforter clamps utilize the most innovative method of fixation available on the market. This novel solution not only extends the overall lifespan of the down comforter but also significantly improves the comfort and quality of your sleep. KIBBEH 16 Pack Duvet Snap Clips, Duvet Fasteners, Fastens Comforter Inside Cover to Stay in Place, Keeps Duvet Cover Fixed