Rest and relax in the lush comfort of the Waverly 300 thread count cotton white duck down pillow. This classic pillow will stand the test of time with its 100% cotton cover and 75% white duck down and 25% white duck feather fill. Ideal for any sleeper and are machine washable for easy care. Natural fill is washed with Oxipower technology that exceeds the industry standard for cleaning natural fill contents. We wash our material 18 separate times to ensure a complete disinfected and hypoallergenic fill which is responsible down standard certified. Contains RDS Certified Down: The goal of the Responsible Down Standard is to ensure the waterfowl in the down supply chain are treated humanely.