The Green Nest Shredded Rubber Pillow is the most versatile organic pillow. Made from shredded natural rubber, it can be shaped to fit your neck, but it has much softer feel than the buckwheat hulls. The organic cotton cover is fully machine-washable and comes with a brass zipper. Antibacterial, Hypoallergenic, and dust resistant. Heavy-duty 100% Organic Cotton cover and 97% pure shredded Natural Rubber Filling! Sizes: STANDARD 20″ x 36″, QUEEN 20″ x 30″, KING 20″ x 36″ More Info