NYHAMN Sleeper sofa, With foam mattress/Knisa gray/beige - IKEA
Amazon.com: Dyonery 4.5 Inch Memory Foam Sofa Bed Mattress Replacement with Fiberglass-Free Fabric and Washable Cover for Sleeper Sofa and Couch Beds, Full Size, White (Sofa Not Included) : Home & Kitchen