Available in these sizes: Single Double King Super King NightComfort All Seasons Deluxe Feels Like Down 10.5 Tog Anti Allergy Duvet The NightComfort All Seasons Deluxe Duvet has all seasons functionality with dual sided design to be used separately for warm or cool weather. Our down alternative filling consists of microfiber polyester inserts covered in cotton ticking. This duvet is hypoallergenic, dust mite resistant and machine washable at 40 celsius. The down-like softness of this luxurious duvet makes it a perfect choice for creating a peaceful place to unwind at the end of every day, all year round. The durable, high denier polyester Hollowfibre resists clumping, keeping you covered with warmth and comfort all night long.