A perfect example of a mattress that has the structure to promote comfort and lifespan is the Beautyrest World Class Carmel Pillowtop mattress. A 20-year-old mattress provides an opportunity to study the materials used and procedures involved in an earlier model of the goods of Beautyrest. After analyzing the Beautyrest World Class Carmel Pillowtop mattress, it becomes apparent that it has fire-resistant fiber, convoluted foam, memory foam, and a pocketed coil support system.