I bought a silk duvet and a flat sheet. They are lovely and smooth and very good quality for the price. They are lightweight, yet keep me warm in the cold weather. However, if you use the sheet and duvet together, the duvet easily slides off the bed all night. I have managed to resolve this problem by using one or the other but not both together. After washing, they look and feel soft still. Looks like they can last long. read full review »