Persian Rug, 2×4 Rug, Persian Isfahan Kork Wool and Silk Rug. A small Persian Isfahan rug for a small living room. It is a hand knotted Persian Isfahan rug made of excellent quality kork wool and silk on a silk foundation. A floral Persian rug with vases and flowers throughout the primary field on a beige color. The colors are combined with white, green, lavender, brown, red, and rose. The actual rug size is 2.8×4.