It is like a mattress cover.
Thin, lightweight, and no difference in the feel of a hard mattress underneath.

I have it for three months, it's not 5 points as it claims. When you lay on it, it looks inflated but as soon as you lie down, it immediately loses its volume and it's not even one point. Afterwards, as a mattress topper, it's not worth the money. I only have it as a protection for the mattress

I have been using it for a week now and it's wonderful! I didn't expect it to be this good since it was clearly more affordable compared to others I had bought in the past (e.g. from IKEA). It creates a very pleasant and comfortable feeling when you're lying down. It also provides a very pleasant sleep. Given that I have a problem with my back, the result is very good. So far, I washed it in the washing machine once and it didn't suffer any damage. Overall, very good, I would definitely recommend it.

The mattress topper indeed has a nice feeling of softness, but on a hard mattress, it does not transform its feel. It simply gives a softer touch to its hard surface.

I mostly have it for mattress protection (I have also used it as a blanket on a single bed) and it's fine, I wouldn't say it provides any extra comfort as a mattress topper, of course at this price, what can you expect?! So it's better to spend more money on a proper mattress topper.