Ultrabounce: Soft, comfortable and ultra-bouncy Silentnight Ultrabounce pillows spring back to life after all-night use, maintaining long-term comfort while you are asleep. Hypoallergenic: The pillows are hypoallergenic which means they are kind to skin and do not include any contents likely to cause allergies. Six pillows: Add some bounce into your bedding and experience unbeatable comfort with a bundle of six Silentnight Ultrabounce pillows. Made from: The pillows have been generously filled with spiral shaped hollowfibre which helps to give them that extra bit of recovery and bounce, encased in soft-touch covers for extra comfort. Machine washable: They're fully machine washable so you can keep them feeling just like new for longer. Silentnight: Silentnight are the UK's most trusted sleep brand with over 70 years' experience in creating products that offer solutions for every sleeper. 6 Silentnight Pillows | Living Social