Primary Highlights Ultra Gentle Silicone: DOGNESS paw washers for dogs has 187 silicone bristles made from food-grade supplies, and each bristle is guaranteed to be soft more than enough to deliver your Doggy with a mild and comfortable cleansing experience. Key highlights USB Rechargeable: No have to have for batteries; https://www.wanderlustprogear.com/products/pet-dog-foot-wash-cup