Features: Soft touch, breathable, lightweight and hypoallergenic. Duvet: Get an anti-allergy winter 13.5 tog duvet. 13.5 tog: A warm and cosy duvet - ideal for the winter months. Made from: Filled with polypropylene - a non-woven hypoallergenic fabric. Sizes: Single, Double, King or Super King. Anti-Allergy 13.5 Tog Duvet | Living Social