The Serta® Perfect Day Mattress® 7" Firm delivers comfort and convenience. Our mattress in a box fully expands quickly so you can sleep on it right away. This quilted innerspring mattress features our Supportive coil system for durability and all-night support. Pillowsoft® Aire Foam offers airflow and enhanced cushioning for exceptional comfort. Whether you're looking for a guest room, a kid's mattress, or for yourself, the Serta Perfect Day Mattress has what you need, all within your budget.