Ambella Home Sleep Sofas are a collection of silhouettes, styling details and sizes that can be combined to create the perfect sofa. The Sleep Sofas are built with premium trifold mechanisms of heavy duty steel and suspended polypropylene mattress decks. Air Dream mattresses are standard with each sleep sofa. Firm Foam is topped with a cusioning layer of air that inflates to an overall height of 7.5". Available only in queen sizes.