The AMMO Dual Density Interior Scrubber features natural boar hair bristles for the best interior cleaning. With a comfortable molded handle, the scrubber efficiently cleans seats, doors, armrests, dashes, and more. Theboar hair bristles offer superior wicking ability to deliver and absorb Lather Interior Cleanser in comparison to a nylon synthetic bristle that is non-absorbent. The dual density cut allows the user to control cleaning strength by applying pressure. Softer boar hair bristles encompass the outer frame for delicate cleaning. Add downwards pressure to use the stiffer boar hair bristles in the center of the mold for increased cleaning power. Made in the USA to the highest quality standards to deliver top notch interior detail results, The AMMO Dual Density Interior Scrubber is a versatile tool for interior cleaning.