Changing Bag.

Can anyone recommend a backpack style baby changing bag (UK). Bonus if it comes in grey or at least doesn’t clash with grey.

I don’t mind the changing bag that came with baby’s pram as it’s spacious enough and has little compartments to separate things but with it being a tote style it isn’t ideal when I’m taking my baby girl about in just her car seat as it slides off my shoulder a lot. She’s currently only 4.5 weeks old and obv car seat will soon be a whole lot heavier as she grows and it will just be very awkward to carry that style of bag along with the car seat so think backpack would be much easier!