Heritage Products Wool Flannel Description: Wool Flannel Natural Unbleached Wool Use in Castor Oil Packs Durable High Quality Palma Christi Wool Flannel Pad Unbleached 12X27 is a richly textured, heavy quality, reusable unbleached fabric used for castor oil packs. Palma Christi Wool Flannel. Natural, Unbleached 12 x 27 inch (30 x 68 cm) Piece. For use in castor oil packs. Disclaimer These statements have not been evaluated by the FDA. These products are not intended to diagnose, treat, cure, or prevent any disease.