The main component of such a mattress is a spring block. In principle, it can be both a single design and a system consisting of several separate springs. As a rule, in the manufacture of such products, specialized two -legged springs are used, the number of turns in which reaches five. In fact, the spring is a real heart of any spring mattress, therefore, a lot depends on its reliability and durability. If it is poor -quality, then at any moment it can sore or even burst, or simply will not provide the necessary stiffness and elasticity during operation.
In addition, in the design of the mattress, springs of an independent type that have a cylindrical shape can be used, each of them in this case is placed in a specialized pocket. Pockets located nearby are interconnected. The main advantage of such a mattress is that the springs inside it do not creak during use, because they do not come into contact with each other. It is desirable that the springs in the mattress are as much as possible. In this case, it will not only be more durable, but also more comfortable in use. In the process of sleep, he will not load the spine, allowing him to relax. That is why you should not buy the cheapest mattress options, the springs inside are too small.