KONG Brush makes cleaning KONG Classic shaped toys quick and easy, because even the most skilled dog can miss a few spots. *Insert brush into KONG, twist and scrub and the specially shaped, flexible bristles efficiently remove leftover treats. *Cleans KONG Classic sized S-XXL. *Rinse, shake and dry the brush and choose your next delicious KONG stuffing recipe. *Antimicrobial, mold-resistant and BPA-free. *Not dishwasher safe.