Tetramar 151 6" x 12" 3CM Walnut Travertine Coping is a perfect way to accent any outdoor area with natural beauty and durability. Crafted with stones carefully selected by experts from over 100 quarries, Tetramar Coping products are created from the highest quality materials to ensure customer satisfaction. Transform any landscape with the stunning detail only natural stonework can provide. Elevate the outdoors with Tetramar Walnut Travertine Coping.