The Silk Road makes very high quality silk duvet covers. You can find them for purchase online for very cheap, too.
There is the Nautica Fiji Duvets that is very nice and made of silk
Putting aside the high cost of designer or licensed bedding, specialist fabrics like natural silk or velvet would be the highest cost fabrics that a duvet cover could be made from.
Donna Karan Evening Sky Duvet Cover is probably not the best choice for a family with small children due to it's delicate silk fabric, as well as beads and sequins.
Yes, silk is just hard to care for in general.
No, It is not recommended to put a silk duvet in the dryer which will most likely burn the fabric. They are usually from what I've found to be dry-clean only.
Silk duvets are best when dry cleaned, as water will damage them.
Both silk duvets and cotton duvets can be really nice, especially when they have high thread counts. The main thing you want to be thinking about when deciding between these two choices, is the fact that a cotton one can be easily thrown in your waster and dryer when it gets dirty. A silk one will have to be dry cleaned, which form many people would defeat the whole point of having a duvet cover in the first place!
Duvet covers are recommended for all silk comforters because they'll protect the silk from snagging and spills.
Almost any store that sells beds, linens, blinds and sheets are also selling silk duvets. Some locations include Linen Chest, Tmasc, SilkyBay, AliExpress, Beddingtons and The Mullberry Silk Co.
Real silk is not man made, rather, it is spun by silk worms. This is the reason that real silk is expensive. There are synthetic silks, which feel like the real thing, that sell for much less.
Silkworms. they have to be a moth before they make silk
it makes it through its body similar to how a spider makes the stuff for its web