The Symple Stuff duvet features a good filling to ensure optimum heat retention that will keep you warm and cozy at night. The filling consists of high-quality, new, white feathers and down, class I (70% feathers and 30% down). The cover is made of fine, 100% cotton, mako ticking. The nominate label on the duvet ensures that it is suitable for use by people with household-dust allergies. Size: 135 x 200cm