Knox uses elements of the natural landscape, captured in artistic form, to add beauty to your floor. It evokes a sense of harmony emulating natural processes such as oxidation, patina, and weathered surfaces of rust, bark, and stone. Utilizing a mixture of textured yarns, both shiny and matte, Knox will define your space with dimension and visual interest. machine-woven of nylon/polypropylene blend in the USA. Machine woven of a nylon and propylene blend makes this rug naturally durable, stain, fade and wear-resistant for fuss-free maintenance. The 1/2-in medium pile height is perfect for added comfort and the cut pile construction makes for a smooth surface.