Will the Princess Topper make a firm mattress softer?

Yes. The 2-inch pillow-top layer adds cushioning on top of the mattress, which takes the edge off a firm surface. It softens the feel but does not change the mattress's underlying support.

Does it replace a mattress?

No. It is a topper that sits on top of an existing mattress. It adds comfort, but a worn or sagging mattress still needs replacing.

Will my sheets still fit over it?

A 2-inch topper raises the bed's height, so deep-pocket or stretchier fitted sheets are the safer choice. Standard sheets may pull tight at the corners.

Side sleepers and anyone who likes a plush, pillow-top feel will get the most from it. Back and stomach sleepers usually want firmer support.

How does it compare with a memory-foam topper?

It gives a soft, cloud-like surface rather than the contouring, slow-sink feel of memory foam. Memory foam offers more pressure relief and body support; this one is about plushness.