Down Perfect Pillows are the perfect combination of support and softness! This is a 3-Chamber pillow, containing goose feather and down. The majority of the fill (about 90% of the total fill weight) is goose feather, which is in the center chamber. The feather core provides great, resilient support due to the feather quills. The outer chambers are filled with 575 loft goose down, which creates a soft buffer against the feather. Features: 3 Chamber Pillow-in-a-Pillow Design: Offers the luxury of a down pillow with the support of a feather pillow Outer Shell - 255 Thread Count: Prevents down / feather from escaping Outer Shell - 100% Cotton: Fine cotton allows the down to breathe Core Chamber - Nylon: Contains the feather component and prevents the down and feather from mixing. Small White Goose Feather: Centre core chamber filled with small White Goose Feather to provide the firm and resilient support you need (approx 90% of total weight) White Goose Down: Outer chambers filled