This supremely comfortable and toasty 13.5 Tog Silentnight Winter Warmer Duvet is perfect for those long winter months when chilly draughts can interrupt your sleep pattern. Crafted from an anti allergenic durable polyester Hollowfibre fill and a polycotton cover, this is an easy care range thats designed to offer luxury and longevity. This duvet is perfectly suitable for machine washing and can easily be tumble dried for added convenience. Size: Double. Material: Other Material.