Classic/Bonnell Spring Mattresses:
Classic spring mattresses are the most traditional mattress on the market today because of its proven function, longevity and affordable price, if you're someone who likes to shop on a budget, this mattress could be the right one for you.
The key points to consider when buying a Bernell Spring mattress are the quality of springs' thickness of the springs and existence of side supports. Side supports allow you to use the mattress edge to edge and not roll off when you sleep closer to the edges side. Supports also allow you to sit at the edge of the mattress without the mattress sinking.