Weight / density by size: 40x80 cm 50x70 cm 50x75 cm 50x90 cm 60x60 cm 80x80 cm 890 g 960 g 1030 g 1250 g 1000 g 1900 g The Pyrenex Val Cenis pillow is ideally recommended to enhance your sleep comfort whether you sleep on your side or on your back. It allows you to adjust the position of your head and neck thanks to its medium comfort level, which keeps you well supported while maintaining your body's alignment. Its natural filling composed of 20% down and 80% French silver duck feathers, along with its anti-leakage luxury cotton calle cover, make it a quality product for use over many years. To help it regain its loft, do not hesitate to shake and air it regularly. Soft comfort New French silver duck filling 20% down, 80% feathers Made in France Calle Luxe fabric 100% cotton, white Cotton piped finish