The Ultimate Brush from Grip-Fit features soft horse hair blend bristles, which makes this the perfect brush to clean up dust, dirt, and hair while also making your horse shine! The block handle is made from molded polypropylene foam, allowing a more comfortable shape to better fit your hand. Will not rot or mildew. Block: 8-1/2" x 2-3/8". Bristles: 2" soft, horse hair blend.