Our True Grit combines a fine grade of borax, a crushed treated perlite, mixed with two organic soaps. First, a coconut based liquid infused into the perlite and second, an organic soap powder blended into the mix. We also have a 1 gallon refill size that comes in a recyclable container. True Grit will not clump, separate or spoil. Other items to clean with True Grit: Tennis shoes and golf equipment Coffee pots and mugs: use a soft sponge to get out that oil stain/build up Porcelain sinks and tubs without scratching or leaving a gritty residue,Outdoor furniture,Steel sinks