The Luminous mattress is designed for durability and comfort. Its sturdy design will provide years of use even in the most demanding environments. This is a perfect mattress for guest rooms, kid’s rooms, rentals, or a special vacation homes. It was designed to provide a comfortable night sleep on an extra firm support system. While the Luminous is built strong and labeled as a Firm mattress, it still includes cotton batting and super soft polyurethane foam. The combination of a strong durable foundation and multiple comfort layers makes this mattress built to last as well as comfortable for the users. The Luminous includes covers that are flanged to the spring unit for long lasting shape. In addition, the Luminous is double sided to extend the life of the mattress.