Check the listing for details. 4 Pack Grill Cleaning Brick Griddle Pumice Stones for Flat Top Racks Cast Iron. Color: Gray, Condition: New. Listed at 10.82 USD. 4 Pack Grill Cleaning Brick Griddle Pumice Stones for Flat Top Racks Cast Iron Safe Grill Pumice Stone cleaning brick is made of natural and non-toxic material, Safe to use without any irritating chemical smell, Won’t scratch grill grate’s surface or leave metal brush fur to your food, Easy to clean by the wet towel or blow away its powderEfficient Cleaning Tool Works well in flat top, grill grate, griddle, cast iron, pan’s bottom, sink, bathtub, toilet, Effectively removes various stubborn stains such like hard water films, Calcium precipitate, Grease, Rust, Food residue, Angled edge can clean dead corners with effectUp-grade design 3.9x2.7x1.5in(10x7x4cm) size is perfect for holding and reducing wrist fatigue, High-density foaming structure increase friction between griddle stone and area to be cleaned, removes stain easily, Comes individually wrapped, easy to store4 Pumice Bricks Reusable stone-like abrasive won’t absorb smell or oil, the contact part will ground into powder and take away the residue when using, then appear new clean surface for following clean, Every piece of grill brick can use 2-4 times for cleaning, 4-8 times for caringWarm Tips We recommend storing in dry place after airing to prong-long item’s use life, Soak or wet out the area to be cleaned and pumice stone before cleaning can get better effect, Don’t clean polished products for preventing damage