Duvets of the "single" size vary in price anywhere from $5.00 all the way up to several thousand. The most complete list of readily available duvets is on Bed Bath and Beyonds website, or on Amazon.
You can find them in many places online.
I managed to find a Mario Galaxy pillow cover only on Ebay from China. I have been unable to find a sniff of anything else so far.
No, You have to buy them separately.
You can't buy a duvet on binweevils but you can buy a bed whioch comes with a duvet on it. To buya bed for 355 mulch go inside the shopping mall and go into the furniture shop.
You can buy a golden sequin comforter or a duvet cover in a few places. You can buy them online or the store.
Children's duvet covers are fairly easy to find online at stores like Bed, Bath and Beyond. Offline is not so easy - although several stores carry them, you won't find the selection that you find online.
crate and barrel
You can buy all types of Bedding and comforters in many styles at Bedding.com.
A duvet is desinged to fit over a comforter not a blanket. anonymous@oola.com
One can buy a king-size duvet in a variety of places. First, one can purchase a duvet at a brick-and-mortar store, like JC Penney or Bed, Bath and Beyond. Second, one can use online stores and outlets (e.g., Amazon or Overstock) to purchase a duvet. Third, one can search thrift stores (e.g., Deseret Industries or Savers) or yard sales for a used duvet.
You can buy them on the Amazon site of UK. That is the best place to buy a cheap duvet cover as Amazon sells them for cheap and ships them to your home.
You can try jcpenny.com or macys.com to view duvet options and then purchase at the store. You will also find a large selection at overstock.com and most of the items are found in local stores.