Sink into a deeper sleep. Generously filled with endless comfort and support, helping you to sleep more deeply every night. The Silentnight Deep Sleep Mattress Topper is generously filled with hollow fiber and covered in soft microfibre which results in a soft, cozy topper that provides gentle support and adds an extra layer of comfort to any mattress. The mattress topper features elasticated straps for a secure fit to keep the topper in place on your mattress. The Silentnight Deep Sleep Mattress Topper is made right here in the UK The topper is hypoallergenic which means it’s kind to the skin and does not include any contents likely to cause allergies, it’s also machine washable so you can keep enjoying a deep sleep. Silentnight is the UK’s #1 sleep super brand with over 70 years of experience in creating products that offer solutions for every sleeper.