Blissfil Cotton Duvet The Blissfil Cotton Duvet is the perfect solution for staying cool in bed. The light weight cotton fill and natural cotton casing is designed to help you sleep in absolute comfort during the warmer nights of summer. Cotton’s ability to draw moisture and heat away from your body means you will sleep at a more consistent, comfortable temperature, all summer long. With practicality in mind, the Blissfil Cotton Duvet is also machine washable for easy care. Light weight cotton fill 300gsm Fairydown paste print cotton case with 225 threads per 10 square centimetres Small fixed boxes Twin needle, cotton piping Sizes Single Double / King Single Queen King Super King