Tidi Products Procedure Towel / Dental Bib / Patient Bibs Item # 9810867. Usage: Disposable. Material: 2-Ply Tissue / 1 Poly Backing (3 Ply). Quantity: 500 Towels/Bibs, 500/Case, Color BLUE. The 1 polyethylene backing resists any soak-through for maximum protection.