Manduka Meditation and Yoga Cushion Our Meditation Cushion thoughtfully combines eco-friendly materials that are both innovative and practical for stillness and meditation practices your way. Removable outer cover made from our eco-friendly eQua fabric. It is soft to touch, quick to dry and very durable. Made from buckwheat hulls, which are husks of a fruit product, and therefore are not a grain or a wheat-related product. People with wheat allergies should not have a problem using this product. Zipper access to dual-component filling. Buckwheat hull filling may be removed or added to for desired support while cotton batting ensures maximum comfort. Measures 4.2 lbs; 15'' Diameter; 3.5'' Thick.