High Density Coir Mattress is available in a thickness range of 176 mm. The Coir has the top quilt designed with 24 mm high density polyurethane foam and the bottom is filled with 25 mm bonded foam along with 2 inches polyurethane foam. The Coir Mattress has the back designed with 7 mm low density polyurethane foam. High Density Coir Mattress is covered with viscose satin weave that gives it a nice visual appeal.