WHAT IS A MATTRESS TOPPER?

A mattress topper is a removable layer that is strapped on top of a mattress to provide cushioning and support. It is an extension to the mattress.
As a mattress accessory, the topper is a thin layer of foam measuring between 2" to 3" that can be made from different materials, depending on the sleep need of the user, they come in various sizes.
A topper could be soft, medium soft or very firm.

ORTHOPEDIC MATTRESS TOPPER
Like the name suggests, the orthopedic topper is made from bonded, crushed foam crumbs and is designed to offer you a firm sleep surface, adequate support and proper spinal alignment.

WHY AN ORTHOPEDIC TOPPER?
Let us suppose your current mattress does offer the kind of firm support and spinal alignment your sleep needs desire, the orthopedic mattress topper is a cheaper option to buying a new orthopedic mattress. It would ideally offer you all the benefits of sleeping on an orthopedic mattress and the best part is you can take off the topper if you so desire and go back to sleeping on a soft surface.
Most toppers come with a strap that goes over and under a mattress, strapping it firmly into place.

BENEFITS AN ORTHOPEDIC TOPPER
1. Relieves body pain
2. It helps you sleep better
3. It helps you maintain a better posture
4. An orthopedic topper will last a long time
5. They are firm.
6. They offer adequate pressure relief for joints and nerves.

https://www.wincofoam.com/mattress-protector-what-to-look-for/
https://www.wincofoam.com/the-perks-of-buying-a-mattress-online/
https://www.wincofoam.com/mattress-firmness-and-why-it-is-important/