Foam: With a soft foam layer and quilting for enhanced comfort. Size: Choose single (3ft), small double (3ft) or double (4ft6) sizes. Quilted mattress: Get an air pocket sprung quilted mattress! Air pocket sprung: Uses coils to provide excellent support and prevent roll-together. Firmness: Medium-soft - ideal for those who like to sleep on their side. Air Pocket Sprung Quilted Mattress | Small | Living Social