100 natural dust mite protected hypo allergenic and anti bacterial this pillow with 2 neck heights and visco elastic memory foam filling adapts to all body shapes and moulds perfectly to the shape of the necknatural and ergonomic this pillow with its 2 neck heights is ideal for a peaceful and restorative nights sleepdust mite protected hypo allergenic and anti bacterial this pillow is filled with natural based memory foam it adapts to all body shapes and moulds perfectly to the shape o