Firmness Category: Medium and Hard - Dual side Model: Doctor Plus Brand: Swede Dreams Mattress Core: Premium Medicated Foam Mattress Height: 20 cms Features: Dual side DOCTOR + Dual Spinal Support mattress designed to be the best support for your body and helps to maintain an improved posture. This Dual side mattress is specially designed with 2 levels of comforts. One side gives you a very firm support and when you turn it into the other side gives a medium firm feeling. its aims to alleviate back and muscle pain.