- Double layer of different firmness of polyester allows you to choose the firmness to suit your preference
- Back pressure occurring from back lifting is the result of friction between the mattress and the person’s lower back. Shifting the two layers in the mattress while back lifting alleviates this pressure.
- Polyester material of interlining Mattress Material antibacterial agent, which deters molding
- Cover detachable and washable
- Manufactured in Korea