The Silentnight anti-allergy duvet is filled with anti-allergy hollowfibre that actively protects your duvet from bacteria and dust mites to help prevent allergies. Our anti-allergy fibres are approved by the British Allergy Foundation, which means they have the ultimate seal of approval. Only this seal of approval guarantees true allergy-friendly bedding. Our products are scientifically tested and proven to remove allergens whilst also being effective against 99.9% of bacteria. Set includes 1 x Duvet. 4.5 tog duvet. 100% microfibre. Cover made from 100% microfibre. Filling made from 100% polyester. Super king bed. Duvet size L220, W260cm. Duvet weight 1.45kg. Suitable for any sleepers. Machine washable at 40C. Duvet suitable for washing in a standard size washing machine. Suitable for tumble drying. Anti-allergy. Contains a biocide to help protect against bacteria and dust mite allergens. Active substance: Dimethyloctadecyl[3-(trimethoxysilyl)propyl]ammonium chloride. Manufacturer's 5 year guarantee. EAN: 5012701490535.