Combined anatomical mattress, which has two sides of different quality . It's two mattresses in one and you can change the mattress prison by simply turning it to the other side. The base consists of a block of independent springs "Pocket Spring", which evenly distributes the load, optimally balances the sleeping body. This spring block follows the shape of your body, medium-hard filling-seagrass and hard-coconut fiber plate. The natural properties of sea grass allow you to keep cool in summer. Coconut fiber gives the mattress firmness and orthopedic hardness. Meets all orthopedic requirements. Special ecological additives prevent dust and parasites from entering the mattress. Winter - Summer.