Comfortable Sleeping Helper Mattress

Bonnel Spring Mattress with Pillow Top is a type of mattress that features a layer of soft cushioning on the top of a Bonnell coil support system. Bonnell coils are hourglass-shaped springs that are interconnected to provide support and stability to the mattress. The pillow top layer is usually made of foam or fiberfill and provides an extra layer of comfort and softness.