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
MORGEDAL Foam mattress, firm, dark gray, Queen - IKEA
SOTNÄTFJÄRIL Waterproof mattress protector, King - IKEA