The Serta Five Star Mattress Medium 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 individually-wrapped coil system for durability and all-night support. Pillowsoft Aire Foam offers airflow and enhanced cushioning for exceptional comfort. Plus, Serta Pillowsoft Foam provides gentle contouring support. Looking for lower back care? A gel foam band provides our signature zoned comfort for the lumbar and hips. A breathable fabric cover helps you to rest well and wake up refreshed. The Serta Five Star Mattress—from box to bed in seconds.