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.