The Bonnell Coil mattress boasts sturdiness and reliability. We have combined this with High-Tech double tempered coils, and six heavy-duty turn coils. All of this ensures complete support for any size, weight, and age. They also provide crazy comfort, renowned reliability, toughness and lasting durability. All of this adds together to a base that supports and aids your body in sleep. Furthermore, the coils mold to the shape of your contours to provide pressure relief.