Designed to clean the entire bowl especially under the rim. Extra-long patented no slip comfort grip handle for ease of use. Built-in antimicrobial protection on the brush bristles prevents the growth of germs and bacteria. Store the brush when not in use in the included caddy. The caddys base has a built-in drainage system with ventilation. Handle Length: 12 1/2 in; Overall Length: 12 1/2 in; Handle Material: Plastic; Diameter: N/A.