Cool Gel Classic Queen-Size 4.5 in. Gel Foam Sofa Bed Mattress 414801-1152 - The Home Depot
Amazon.com: Mjkone 2-in-1 Pull Out Sofa Bed, Queen Size Velvet Sleeper Sofa Bed with Folding Foam Mattress, Pull Out Couch Bed for Living Room/Apartment/Small Spaces(Queen, Beige) : Home & Kitchen
Amazon.com: Milliard 4.5-Inch Memory Foam Replacement Mattress for Queen Size Sleeper Sofa and Couch Beds (Sofa Not Included) - Queen : Home & Kitchen
Heyward Queen 4.5" Sofa Bed Mattress Replacement – 72" X 58" X 4.5" : Target
Spencer Beige Queen Sofa Bed | RC Willey
Monika Sofa Sleeper
Amazon.com: Dyonery 4.5 Inch Memory Foam Sofa Bed Mattress Replacement with Fiberglass-Free and Washable Cover for Sleeper Sofa and Couch Beds, Queen Size, White (Sofa Not Included) : Home & Kitchen