Weight / density by size: 40x80 cm 50x70 cm 50x75 cm 50x90 cm 60x60 cm 65x65 cm 80x80 cm 550 g 600 g 640 g 770 g 620 g 720 g 1100 g Pyrenex offers a range of naturally filled pillows with an organic cotton cover. Exceptionally soft, this organic cotton percale cover encloses a premium natural filling composed of 90% down and 10% small feathers from new French silver duck. With its ultra-soft comfort, the Rhune pillow suits all sleepers seeking softness and a cocooning effect for a restful night's sleep. Suitable for back and side sleepers, the Rhune pillow provides excellent spinal alignment at the cervical level. As a natural product, this pillow has excellent breathable properties for a healthy sleep. Do not hesitate to follow our care instructions to preserve the exceptional properties of this pillow. Ultra-soft pillow New French silver duck filling, 90% down and 10% small feathers Made in France Organic cotton percale cover, 91 threads/cm² Cotton and linen piping finish