For those who find themselves using two pillows for extra firmness, our hypoallergenic, extra fill pillows are thick and stuffed full of bounce-back microfibre. Down Alternative A great alternative to feather and down fillings, this machine washable pillow is filled with spongy microfibre. Perfect for those who usually prefer to use multiple pillows, these extra-height pillows offer incredible thickness and support. Perfect for Allergy Sufferers Microfibre was originally developed for use in hotels as a more affordable alternative to down, so the resulting product is soft, full and supportive as well as being hypoallergenic and anti-dust mite thanks to the thick microfibre casing. Measuring 48 cm x 74 cm, this pillow will fit most standard size pillowcases.