Single duvet covers?

[HalfStar]

Sorry to resurrect, I know there's a whole thread but most links sold out!
Any Christmas or winter-themed duvet cover recommendations? I'd strongly prefer 100 cotton but accept this is a long shot. There is a cute poly cotton set in asda if all else fails. Thanks!

M&S do a great range of duvet covers right now. Can't remember if any are single or not though but they have lovely velvet blankets that I picked up the other day. If all else fails, throw one of those over a plain white duvet with a few Christmas cushions.

The ahem primark ones were quite nice. And I guess you would only be using them a couple of weeks a year?