These pillows are made from clean reprocessed water bottle fibers and covered with organic cotton casing- Ideal for sensible environment system. They offer many benefits for those seeking an alternative to traditional down pillows. These pillows offer resilient, responsive support, and have the added benefit of being naturally hypoallergenic and anti-microbial. These pillows retain shape for many years and are ideal to support your head, neck, back and spine. Do not have allergies associated with Down pillows - A clear Eco & healthy alternative.