Filling quilted cover: 100% organic cotton from controlled organic farming (kbA). Filling core: 100% virgin wool tufts. Fabric: 100% organic cotton (kbA), certified according to GOTS guidelines. 100% natural product. With zipper - refillable as needed. Cover washable at 40°C, core not washable. The HEFEL Bio-Wool pillows with a 100% virgin sheep wool filling create a particularly cozy sleeping environment in bed. Delightfully warm and cuddly. Virgin sheep wool is temperature-regulating and reliably warming. It excellently absorbs moisture released and ensures a consistently even sleeping climate. With the unprocessed fabric made from 100% organic cotton (kbA), currently the best cotton quality from an ecological perspective, HEFEL Bio-Wool offers an absolutely skin-friendly and gently warming sleeping experience. With the beneficial power of pure raw materials from nature. Filling weight: 560g.