Sink into a deeper sleep. Generously filled with a luxurious quilted cover for ultimate cushioned comfort, helping you sleep deeper every night. The box-stitched, bordered design keeps the filling perfectly in place for even warmth from edge to edge, while remaining breathable to help regulate your body temperature throughout the night. The Silentnight Deep Sleep Ultimate Duvet is deeply filled with luxuriously premium down-like FIBADOWN; fibres, providing dreamy comfort.The Silentnight Ultimate Deep Sleep Duvet comes with a 5-year manufacturer's guarantee for peace of mind. The duvet is hypoallergenic which means it's kind to skin and does not include any contents likely to cause allergies, it's also machine washable, so you can keep enjoying an ultimate deep sleep.Silentnight are the UK's most trusted bed brand with over 75 years' experience in creating products that offer solutions for every sleeper. Silentnight Size: Super King