U S chemical (U.S.C.) DISH-DIP pre soak powder plastic and china destainer.
3 ounce package is good for 3 gallons of cleaning solution.
Designed specially to destain plastic, china, stainless steel and all kitchenware. Rapid wetting action penetrates into pores of tableware and releases powerful destaining agents. Coffee, tea and other food stains have no chance against this highly active product. This stuff is really great, I could not run my shop with out it. MPN 057116, UPC 10097146000749