yoga pillow provide optimal alignment of the spine and back support. Filled with buckwheat hulls that provide the right balance of firmness and pliability. Floor pouf helps you to reduce the risk of numb limbs and relieves stress on joints when exercising, meditating, sitting on the floor/chair, or relaxing. CONVENIENT. Each zafu meditation cushion has sturdy carry handle for easy transport. The enough buckwheat hulls filling can be added or removed from zipper access to find the optimal level for your body. Organic cotton cover of Yoga bolster can be machine washed with cold water to reduce the risk of shrink or fade. HIGH QUALITY. The treatment of dehydration, high temperature washing and ultraviolet fumigation ensures natural buckwheat hulls are low water content, clean and flour free. 10oz encrypted canvas cover is soft and durable, which is also shrink free and fade resistance. Inner case cover of grey fabric is sturdy.