Enjoy the luxury of a natural alternative to down. Wool helps to regulate temperature and is breathable. Quilted outer shell can be removed for laundering. 100% cotton shell quilted with wool and filled with premium washable pearl wool. Warm hand or machine wash on wool cycle using an approved wool detergent. Reduce spin. Line dry in shade. Do not bleach or tumble dry. Do not iron. Dry cleanable. We are unable to accept pillow returns for sanitation reasons. Please choose carefully! To extend the life of your pillows, we highly recommend using pillow protectors.