King Koil’s technologically advanced sleep set like the Select Euro Top is a continuous coil mattress that contains layer upon layer of support in your choice of comfort. As a perfect choice for a juvenile mattress, it provides the correct amount of support for growing spines. Made with only high quality upholstery materials including: Soy based natural foams that are certified low VOC and free from ozone depleting CFC’s. Plus comfort foam providing the ultimate in body contouring comfort and support.