Key Highlights Extremely Tender Silicone: DOGNESS paw washers for pet dogs has 187 silicone bristles made of food-grade components, and each bristle is sure to be tender more than enough to deliver your Pet with a mild and cozy cleaning experience. Most important highlights USB Rechargeable: No require for batteries; https://www.wanderlustprogear.com/products/pet-dog-foot-wash-cup