Versatile Sizes and Colors: Available in three sizes (7mm, 8mm, 12mm) and three colors (gold, silver, black), these snap buttons cater to a variety of needs. The range ensures you have the perfect size and color for any project. Material:This set of invisible snap buttons are made of metal material,hard, durable and wear-resisting, not easy to break Wide range of uses: These poppers fasteners are widely used for jackets, hats, baby diapers, jeans, down Secure Fastening: The press studs provide a secure and reliable fastening solution, ensuring your clothes, purses, and handbags stay closed and secure. Practical function: these plastic snap fasteners are small and beautiful, which can decorate your clothes, they are also easy to use, will be effective fasteners for most sewing projects