Single Duvet: 137 cm x 200 cm. Double Duvet: 200 cm x 200 cm. King Duvet: 230 cm x 220 cm. Super King Duvet: 260 cm x 220 cm. Snuggle down to a warm night’s rest underneath this sumptuous quilt, stuffed with luxurious duck feather and down to trap heat and keep you cozy throughout the chilly evenings.