Bonnell springs are spring interconnected by metal wire joined together. Mattresses of this type tend to be firmer due to its inner coil structure. As the spring interconnected by metal wire, this type of spring system trend to be more motion-sensitive. This means that when someone moves on one side of the bed, the person at the other end of the bed may feel the movement on the mattress as well. And also, bonnell spring will be less support for your back as the spring are interconnected together and doesn’t give a support contour for your back. However, bonnell spring system mattresses are generally durable and made affordable for many.
The bonnell spring system mattress is a raw material to produce mattresses. In addition, bonnell spring system mattress is used to produce bed base for project, in order to help increasing the springiness of the mattress. Last, it can be used to produce a vacuum mattress by removing the wire, rims and shocks.

Advantage of Bonnell spring is durable materials and traditional even feel. Disadvantage of Bonnell spring is pressure point discomfort and motion transfer issues.