Whether you see layers of rocks or something altogether different this piece will enhance any space with its beautiful colours and textures. Created with Wool Roving, Tussah Silk strands & Sheepskin using Needle Painting techniques. 12" X 12"(includes matting) 7.5" X 7.5" (without matting) If your looking for a set, check out Strata 2 and Strata 3 - they are all beautiful as individual pieces or combined