The Silentnight anti-allergy duvet is filled with anti-allergy hollow fiber that actively protects your duvet from bacteria and dust mites to help prevent allergies. Our anti-allergy fibers are approved by the British Allergy Foundation, which means they have the ultimate seal of approval. It is also machine washable at 40°C which means you can keep your duvet fresh and clean for longer. Silentnight is the UK’s most trusted sleep brand with over 70 years of experience in creating products to help the whole family get that ‘great sleep’ feeling. Enjoy the benefits of anti-allergy protection whilst being warm and comfortable with this fantastic Silentnight 13.5 tog Duvet. Non-allergenic Duvet provides dual protection against dust mites and bacteria making it a particularly great choice for allergy sufferers. Packaging may vary from the image shown. Silentnight Size: Kingsize