Stay warm through the cooler months with this 13.5 tog duvet that's been specially treated to help protect against dust mites and bacteria. It's filled with synthetic fibres that are designed to keep allergens at bay, so you can rest easy without worrying about irritation. The generous king size gives you plenty of coverage, while the anti-allergy treatment contains a biocide that helps guard against bacteria and dust mite allergens. It's ideal when you need extra warmth, and the soft cover and filling work together to create a breathable layer that stays comfortable all night long. The anti-allergy treatment helps protect against allergens throughout the night. It's machine washable and suitable for tumble drying, which makes keeping it fresh simple and convenient for busy households. The 220cm by 225cm size fits king size beds with enough fabric to tuck in securely. You'll get a one-year manufacturer's guarantee included, giving you reassurance with your purchase. King size duvet. 13.5 tog duvet. Cover made from 100% polyester. Filling made from 100% polyester. Size L220, W225cm. Machine washable. 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 1 year guarantee.