Clean safely and often Using Royal Griddle Blocks helps to manage a clean grilling surface in any restaurant. They are perfect for remove residue and caked-on carbon from grills. A convenient and essential item for any restaurant. Individually wrapped. Each griddle brick comes individually wrapped in polyethylene film. Abrasive and effective. Made from glass foam, this product is abrasive by nature and is effective for cleaning griddles and grills. It should not be used on shiny surfaces, including chrome-plated grill surfaces, or shiny stainless steel tables or equipment.