This is a Soumak rug, also spelled Soumakh, Sumak, Sumac, or Soumac rugs. Soumak is a tapestry way of weaving strong rugs. Soumak is a type of flat weave. They look alike, but are stronger and thicker than kilim rugs. These natural rugs have a smooth front face and a rustic back as oppose to Kilam with smooth front and back.