THREE PACK: Barbecue grill cleaning block for faster, safer, efficient cleaning of BBQ grills, racks, griddles and other utensils than using wire brushes. Ecologically sound, green product, non-toxic, odorless. Powerful enough to get rid of encrusted grease, dirt, and stubborn grime with light pressure applied. Bacteriostatic properties of the recycled glass cellular block inhibit growth of bacteria such as E. coli and Salmonella. Made of recycled glass heated and wears down like pumice stone