Synthetic pillow for individual support and plumpness like that of natural down soft air filled and hypoallergenicsynthetic pillow filled with siliconised hollowfibre flockremovable cover in satin twill weave teflon treated stain resistant proneem dust mite protection completely natural treatment environmentally friendly adjust the level of firmness as you like it thanks to an additional 100g bag of down and feathers available in 40 x 40 cm cushion and 40 x 60 cm back rest come