Our quilt top models feature two sided construction to improve durability and longevity. Our selection of five different firmness's provides a choice of the right comfortable mattresses for your personal preference. This collection offers a choice of the standard Bonnell coil innerspring unit and a more supportive posturized coil innerspring unit, as well as the heavy duty offset coil innerspring unit. Your sleep set is complete with a wood foundation or a steel foundation option. All the right options needed to select the most comfortable and most supportive mattress sleep set you desire.