Might I recommend airing out your new duvets and pillows before use??? And washing the sheets as well. I understand that they are new and that you "shouldn't" have to... But you should do it for hygienic reasons. More on reddit.com

Can’t speak to this one specifically but I got their wool duvet insert recently and I like it a lot. Two things to keep in mind about duvet covers for IKEA inserts. The inserts are not standard sizes so if you get a cover from elsewhere it may not fit precisely. Not necessarily a deal breaker but the other thing is that the inserts don’t have loops either so you could have some movement if the cover is too large. Best to get a duvet cover from IKEA for the best fit. I got linen duvet cover for winter and a cotton/lyocell cover for warmer months and both are great and relatively low priced compared to other stores. More on reddit.com

I love mine. My daughter and dog like theirs too. It's super soft and comfy. Had mine 4 years now and even after all its washings it still looks good. They are quality. I bought mine for $10 each from the room they have markdown stuff at. More on reddit.com

The issue with IKEA duvets is they use non standard measurements, so you're stuck with their duvet covers. I had one in my Queen and it never covered the bed quite right. They're minimal warmth comforter is great for someone who wants the weight of a comforter without retaining heat, it's one of the few polyester things I think does its job well, but I wish it fit my bed. More on reddit.com