Just bought a 100% polyester duvet cover...

[shoepolish]

I just bought 2 from eBay I didn't realise until after I bought them that they were 100% polyester (must remember to read the description before pressing buttons!).
Will the duvet inside be all over the place in the morning and slide around the bed? Is it so bad? They were really nice too.

[Naicecuppatea]

I personally would prefer cotton to sleep under as polyester can get very hot, and I just don't like the feel of it.