The Foam and Spring Hybrid Mattress provides even, perfectly cushioned support for consistently good sleep and well-rested mornings. Top-quality foam layers and reliable springs work together to create a comfortable surface with a strong, supportive base layer. Made with Certi-PUR US® certified foams, this hybrid mattress guarantees the highest quality and no harmful chemicals where you sleep. This mattress is expertly compressed, packed, and shipped to you in one convenient box—complete with a 10-year limited warranty to put any other worries to rest.