The product is a 3-pack of Maxell AG13 LR44 A76 357 Alkaline Button Cell Batteries. These batteries come new in the package and are designed for various devices such as calculators, watches, cameras, and other electronic gadgets. The Maxell brand is known for its quality and reliability in providing power for small electronic devices. Each battery in the pack is a size LR44, also known as AG13 or A76, making them compatible with a wide range of devices.