Silk comforters (絲綿被) are a luxurious Chinese bed covering. Regular Chinese comforters are usually filled with shorter cotton fibers. Only the rich families can afford a comforter with silk filling. The long silk fibers are combed, aligned and stitched together loosely into thin layers. The silk fiber layers are then stacked together and sealed inside silk or cotton fabrics to form comforters of varying thicknesses. The result is extremely light-weight despite the silk comforter's thickness. A silk comforter is warm but the fibers let moisture pass through easily. Thin silk comforters are used even in the summer. The silk comforter is protected by a washable envelope. The comforter itself is seldom washed, but dried under the sun a few times each season. Cotton is a soft fiber that grows around the seeds of the cotton plant, a shrub native to the tropical and subtropical regions of both the Old World and the New World. ... Silk (< OE sioloc probably < L. SERICVS / Gr. ...

Even in modern times, when artificial fibers of various characteristics are readily available, silk comforters are still practical and considered a kind of status symbol in Chinese communities.

In the US, silk comforters are mainly imported from China or Taiwan and are priced roughly the same as down comforters. However, many Chinese people dislike the odor of goose down, and hence a silk comforter is preferable. US,Us or us may stand for the United States of America us, the oblique case form of the English language pronoun we. ... A duvet (pronounced /du:veɪ/, from the French duvet /dyvε/ down) is a soft flat bag filled with feathers, down, or artificial material used on a bed as a blanket. ... The down of birds is a layer of fine feathers found under the tougher exterior feathers. ...