Filled with our softest duck feathers, refined to ensure an evenly balanced and poke-free experience unique from any other pillow which we call our nano feather fill. The cover is 100% all-natural cotton cover that delivers softness. Each 2-pack pillow is available in three sizes created to supply comfort for any sleep position. Easy care as these pillows is machine washable. Oxipower wash exceeds the industry standard for cleaning natural fill contents, washing our material 18 separate times ensures a complete disinfected and hypoallergenic feather fill which is responsible down standard certified – “the RDS safeguards the welfare of geese and ducks that provide down and feathers for the products we all love”. Contains RDS Certified Down: The goal of the Responsible Down Standard is to ensure the waterfowl in the down supply chain are treated humanely.