Infinite Nature Yoga Meditation Cushion Zafu with Buckwheat Fill. Organic Cotton. THE MOST COMFORT FOR YOUR BACK AND BODY. Designed to align your spine which reduces muscle strain. ENJOY THE DEEPEST MEDITATION STATES. When hips are above the knees, the body and mind can finally relax. HEIRLOOM QUALITY: FREE COTTON STORAGE BAG, DOUBLE STITCHING, TWO LAYERS OF FABRIC, NO EXPOSED ZIPPER. All other cushions have a zipper that can gouge holes in your yoga mat, scratch your floor or snag your rug. Ours is sewn under a tailored fabric flap. SO MANY USES. Great for use during morning stretching, assisted bridge yoga pose, seating for kids at home or on the road, seating on camping trips. MONEY BACK GUARANTEE. Also, the fabric- both inner and outer liners, and the buckwheat used in this product is certified organic, which means that only non toxic methods were used in growing, processing and harvesting. Please choose organic for a healthy home and planet!