So pillows by help you to stay supported and comfortable whilst you sleep. Deeply filled with soft and bouncy fibers for superior comfort and covered in soft-touch microfibre. Providing soft/medium support, these pillows are suitable for all sleep positions. The pillows are made in the UK and come with a two-year manufacturer’s guarantee for peace of mind so you can sleep soundly with your purchase. Silentnight So Full pillows are hypoallergenic which means they do not contain any materials that are likely to cause allergies. They are also fully machine washable. Silentnight is the UK’s most trusted sleep brand with over 70 years’ experience in creating products to help the whole family get that ‘great sleep’ feeling.