Foot washing cup is made from gentle silicone bristles which will help remove dirt and mud from your dog’s paw cleans off mud, sand, dirt, ice melt &Prevents paw irritation due to salt or other contaminants in the environment. The gentle silicone bristles on the bottle help loosen dirt and mud from your dog’s paws. Keep the mess away from your car or home. Components can be taken apart in seconds and soft bristle brush pad is made from durable non-stick and non-staining high quality silicone. Washer Cup is made from strong high grade plastic and very easy to clean and durable.