Yin Yang Organic Cotton CoverSwitch up designs, or grab a backup for laundry day. All same size covers are interchangeable. At a Glance Top: An alternating pattern with a yin yang symbol and a peace symbol in a dark beige over a white background. Bottom: An alternating pattern with a yin yang symbol and a peace symbol in a white over a dark beige background, Fabric cover with zipper closure at each side. Design collaboration with Lena Corwin. Materials Accessories: All play mat