The ERWIN M. 3-Chamber Down and Feather Pillow in a square 80 x 80 cm size is designed to provide a balanced sleeping experience by combining different filling layers. Its internal structure features a supportive core of feathers surrounded by softer down outer chambers, utilizing a blend of 90% feather and 10% down to maintain its shape while remaining comfortable. The exterior is crafted from a white 100% cotton cover finished with elegant piping. To ensure a healthy sleep environment, the pillow carries the Nomite certification, meaning the fabric is naturally mite-proof and prevents down from escaping. It also meets OEKO-TEX Standard 100 and Downpass requirements for material safety and ethical sourcing, and has passed the EN ISO 12952-1 cigarette glow test for added safety.