Our Meditation Collection thoughtfully combines eco-friendly materials that are both innovative and practical for stillness your way. Removable outer cover made from our eco-friendly eQua fabric. It is soft to touch, quick to dry, and very durable. Zipper access to dual-component filling. Buckwheat hull filling may be removed or added to for the desired support while cotton batting ensures maximum comfort. Buckwheat hulls are the 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.