Mattresses with a spring frame are single, one and a half and double. Their design includes a metal frame with springs, layers of latex, wool, linen, felt and a fabric surface on the outside. Mattress firmness is divided into hard, medium and soft. Before choosing a mattress, consider the ratio of body weight to mattress firmness. Most mattresses https://brionexi.ua/ru/matrasy/pruzhinnye-matrasy/ are double-sided and need to be turned over over time to increase durability and wear resistance.