This set includes 10 pieces of sew-in purse closures featuring hidden magnetic fasteners. Each closure is made from durable PVC material, providing a sleek and seamless look when sewn into your projects. The magnetic snaps come in various sizes, including 13mm, 15mm, 18mm, and 20mm, with a snap diameter of approximately 15mm or 5/8 inch. The square PVC backing measures about 31mm or 1.22 inches, ensuring a secure attachment. These closures are suitable for use on purses, books, leather items, fabric projects, and more. The PVC covering helps to protect the magnetic fastener and allows for easy sewing into different materials. Whether you're working on a new bag, wallet, or craft project, these hidden magnetic fasteners provide a clean, professional finish. Each set offers a versatile solution for adding secure, discreet closures to your handmade items.