backing boards
Backing boards are sturdy panels used to provide support and stability for various projects, such as artwork, photographs, or displays. They are typically made from materials like cardboard, foam board, or wood, and help prevent bending or warping over time.
These boards are often used in framing to enhance the presentation of items and protect them from damage. In addition to art, backing boards can be found in scrapbooking, crafting, and even in packaging to ensure products remain intact during shipping.