[4.5 TOG and 10.5 TOG DUVETS]: Original Sleep Company's autumn natural duvet is the perfect blend of Classic Duvet for winter and chilly days The perfect balance of comfort and warmth, ideal for use during the colder months. [HIGH-QUALITY HOLLOW FIBER FILLING]: Provides maximum relaxation with Super Bounce-back properties that retain the shape of the duvet. This filling gives you unmatchable comfort and warmth every night. This duvet gives you a hotel-quality experience at home, every night. [ANTI-ALLERGY]: Filled with hollow fiber that provides extra coziness while boasting a Super Bounce-back property to retain its shape. All this duvet will need is a good shake from time to time to keep the feathers well dispersed, to keep the duvet nice and cozy. [MACHINE WASHABLE]: Easy to care for, this duvet is sure to provide you with a good night's sleep year after year. [AVAILABLE IN]: Single and Double Sizes with Simple Duvet and Right Hand Cut-Off Patterns.