With a high level of support for your child, the Therapedic Elara mattress is built to last. A TheraCoil Plus innerspring unit with posture support delivers superior comfort along with flexibility and durability to last. Its quilt cover is enhanced with soft cushioning. For support and durability, this mattress utilizes performance foam to provide comfort for years to come. DuraC edge support expands the sleep surface and makes it easier to get in and out of bed.