More is better, so double is always best! This pair of Evercomfy Anti-Allergenic pillows are not only super comfy and supportive, a special treatment protects against dust mites and allergens to keep your sleeping environment healthy, fresh and clean. Ideal for allergy sufferers. This pair of pillows combines the hypoallergenic and breathable benefits of hollowfibre filling with a durable and soft microfibre cover. An anti-allergy treatment protects further against allergens, prevents the growth of dust mites, and keeps your pillow bacterial fungal free, making it ideal for allergy sufferers, children, and for anyone with an aversion to feather or feather & down duvets.