Ultra Warmth (16.5 Tog): Designed for extreme winter comfort, this heavyweight duvet keeps you warm on the coldest nights. Hypoallergenic Material: Made from allergy-friendly polypropylene - ideal for sensitive skin and allergy sufferers. Breathable Yet Cosy: Breathable construction prevents overheating while locking in warmth. Machine Washable & Easy Care: Durable and low-maintenance; simply pop it in the washing machine and tumble dry on low. Four Versatile Sizes: Choose from single, double, king or super king to fit any bed or room.