Promoting healthy sleep, the Serta Davenbury mattress has a firm, reinforcing structure to help in the development of your child's growing body. At the core, a Serta foam support system is designed for full support with long-lasting comfort that will keep them asleep throughout the night. Plush PillowSoft foam contours to your child's unique shape, providing enhanced comfort. FireBlocker Fiber utilizes a blend of natural and synthetic fibers to isolate the impact of a fire and limit its spread, bringing peace of mind to your sleep. 1 Year Limited Warranty