The Serta Five Star Mattress 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 individually-wrapped coil system for durability and all-night support. Pillowsoft Aire Foam offers airflow and enhanced cushioning for exceptional comfort. A breathable fabric cover helps you to rest well and wake up refreshed while our antimicrobial technology keeps your mattress fresh and clean from odor-causing bacteria. Additional features for the 12" model include Serta Pillowsoft Foam that provides gentle contouring support, QuiltLoft Memory Foam offers additional comfort at the surface of the mattress, and a gel foam band provides our signature zoned comfort for the lumbar and hips. The Serta Five Star Mattress—from box to bed in seconds.