The Firm Support Pillow Pair by Silentnight is simply designed to offer comfort and support. The pillows have a ventilated breathable foam core in the center surrounded by deep-filled bouncy hollow fiber. This results in a plump and supportive pillow that is ideal for people who sleep on their side. The pillows are encased in a microfibre cover that is both soft and easy to care for and will provide ultimate comfort for a great night’s sleep.