Add some serious sparkle to your projects with these gorgeous jet black Swarovski flatback crystals! This pack includes 144 round, 4mm stones in a rich opaque black with that iconic Swarovski faceted shine. They're the 16ss size, perfect for nail art, jewelry making, phone cases, clothing embellishments, or custom crafts. Made in Austria, these crystals are top-quality and come on a handy strip for easy application. The flat back design makes them simple to glue onto almost any surface. Whether you're a pro crafter or a DIY enthusiast, these crystals elevate your work with a luxurious, professional finish. Stock up and get creative—black goes with everything!