Featuring a beautifully soft polyester cotton striped cover, the pillows have an anti-allergy treatment which discourages the development of dust mites and bacteria, perfect for allergy suffers and those who just want long term freshness. The pillow is perfectly filled with plump hollow fibre to give a medium support, ensuring a comfortable night's sleep for all. - Dr Twiner 'Anti Allergy Ultra Bounce' 4 Pack Pillows in White