The product is a premium white index card stock made in the United States. It measures 8.5" x 11" and has a thickness of 199 GSM, providing a sturdy and durable material for writing and storing important notes and information. With 150 sheets included, this heavy-duty stock is designed to be anti-jam, easy to use, and fade-resistant, making it a convenient and reliable choice for office and business use. Additionally, its foldable feature adds versatility in organizing and presenting information in a clear and organized manner.