King Two Pack: Luxury Real Down & Feather pillow, 100% Pure Cotton by Duck and Goose co 1.Finest 100% cotton, superior 233 thread-count with quality durable double-hemmed stitching 2.Hypo-allergenic pillow is filled with 40oz 100% crushed feather (95% feather, 5% down) 3.Medium density helps prevent sore and stiff necks and provides the ultimate comfortable for back sleepers 4.Friendly Tip: Please put these pillows in the dryer for 20 minutes before the use, this is in order to restore it to its original fluffy condition. This will also help to remove the natural feather odour. We use all natural materials and not materials with memory properties, you may experience that your pillow will flatten during the usage. If this happens put your pillow in a dryer for 20 minutes to make it fluffy again. 5.Two-year warranty for your satisfaction and peace of mind