The firmess depends on the number of springs. Also a high amount of coils
will offer a better distribution of the weight.
A mattress of standard dimensions, from 400 to 1200 pocket springs.
This technology allows a better independence of sleeping
you feel less movement from the person who sleeps with you.
double cone springs
The springs of this type of mattresses are spiral shaped.
The springs are interconnected by steel wire.
The average number of spring are around 300.
Consists of a single steel wire spirals knitted.
It allows for more consistent support than with double cone springs.
You can find mattress fro, 600-