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.