The USFA bullet resistant fiberglass panel is a multi-ply laminated ballistic fiberglass material. USFA fiberglass is lightweight, easy to fabricate, nonspall and non-ricochet. This material conforms to UL 752 and NIJ standards. It is recommended for use in Safe Rooms, wall armor, judge’s benches, and counter protection. Standard fiberglass size: 48 x 96 sheet.