This product is a set of 17 round ceramic disc magnets, each measuring 0.77 x 0.44 inches. They are black in color and Grade 5 magnets, making them strong and durable for various uses. These magnets are perfect for organizing tasks in the kitchen, such as holding notes on the refrigerator or keeping tools in place on a magnetic board. Made in China, these disc magnets are a practical and versatile addition to any home or office setting.