This traditional round meditation cushion is filled with organic buckwheat hulls that can be removed as needed for easy height adjustments. The round Zafu meditation cushion provides height under your pelvis for healthy posture. It is filled with organic buckwheat hulls that form to your contours, is covered with sturdy, beautiful, long-lasting upholstery-grade fabric, and includes a convenient carrying handle. Each one is handmade in the USA. Spot clean with a damp cloth. For deep cleaning, empty buckwheat hulls into a bowl. Hand wash cover and hang to dry. Replace filling when completely dry.