E. Gerber Silver Age Comic Backing Boards are made from a high quality, acid-free material that is designed to help protect and preserve your valuable comic books. The boards are precision-cut to ensure a perfect fit, and the 24 PT. coating on one side provides a smooth surface . With an Overstreet Endorsement, you can trust that these backing boards are of the highest quality and will provide long-term protection for your comics. Each pack contains 100 individual boards, making them an excellent value for collectors and hobbyists alike. Whether you're a seasoned collector or just starting out, E. Gerber Silver Age Comic Backing Boards are an essential tool for preserving and displaying your comic book collection.