The ERWIN M. 3-chamber pillow is designed to provide high support for your neck and head, utilizing a specialized internal structure where the middle chamber consists of pure feathers. This core is surrounded by layers containing a blend of 90% feathers and 10% down, ensuring a balanced feel that avoids the flatness often found in simpler pillows. Measuring 70 x 90 cm, the pillow is encased in a white 100% cotton cover. This fabric is both down-proof and Nomite mite-proof, which helps keep the filling secure while maintaining a hygienic sleeping environment. For added peace of mind, the materials are certified by OEKO-TEX® STANDARD 100 and carry the Downpass seal, confirming they meet strict safety and quality standards, including passing the EN ISO 12952-1 cigarette glow test. Maintaining the pillow is straightforward as it can be washed on a gentle cycle at temperatures up to 60 °C or dry-cleaned. To keep the filling fluffy, you can tumble dry it on a gentle setting, though you should avoid using chlorine or bleach during the cleaning process.