SAIT C-W Quick Ship Coated Abrasive Belt, Waterproof, 106 in Belt Length, 4 in Belt Width, 100 Grit, Medium Grade, Silicon Carbide Abrasive, Cotton Backing, Closed Coat, Applicable Materials: Aluminum, Cast Iron, Ceramic, Glass, Marble, Non-Ferrous Metals, Plastic, Rubber and Stone, X-Weight Backing Weight, Wet/Dry Operation