Made of sturdy beechwood with tampico and bassine fiber brissine fiber bristles. Tampico fiber bristles are durable and porous, absorb water better than plastic bristles. The opposite end of the brush features water resistant bassine fiber bristles that offer a stiffer, more coarse texture for a more heavy-duty scrubbing. The brush is 4.5" in Length and a total of approximately 2" in Height.