M&S Advanced Allergy Protection 13.5 Tog All Seasons 3-in-1 Duvet White

This all seasons 3-in-1 duvet combines a 9 tog and 4.5 tog duvet that fasten together to create a warm 13.5 tog option for winter. Crafted with a soft cotton finish for exceptional comfort. The anti-allergy treatment helps protect against common allergens like dust mites, pet dander and pollen, ensuring a fresh sleeping environment throughout the year.