Slumberdown Truly Washable duvets are filled with snuggle hollow fibre for a soft and comfortable feel and gently wraps around your contours without slipping. The washable duvet has been tried and tested to 5 washes and they look and feel as good as new. This cosy 10.5 tog duvet is lightweight and perfect for use all year round. Double duvet. 10.5 tog duvet. 100% polyester hollowfibre filling. 100% soft touch polyester microfibre cover. Machine washable at 40C. Suitable for tumble drying. Non-allergenic.