3 layers construction, the upper and bottom is filled with Down, and the middle is Feather Chinese Grey Duck Down 70%. Fabrics with the inside down-proof finishingWell stitching and reinforced seams of this down blend pillow speak more about its quality. Designed using the hotel pillow as a model, it is made with 70% down. Offering maximum comfort, this pillow is great to provide that extra support and loft, ideal for sleeping.