FoamRush 7" x 26" x 32" Cool Gel Memory Foam Bench Cushion Replacement Medium Firm (Upholstery Foam, Seat Replacement, Upholstery Sheet, Foam Rubber Padding, Couch, Sofa Cushion, Mattress)Made in USA : Amazon.co.uk:
Westsky 71 Modern Fabric Convertible Memory Foam Futon Couch Bed, Folding Sleeper Twin Dark Gray Sofa Furniture For Home W125352365-DG - The Home Depot
Are Memory Foam Mattress Toppers Compatible with Sofa Beds?
Optimus Space Saving Fabric Sofa Bed with Memory Foam Mattress - Furniture Village
Harmony Sofa Bed Queen - Eco Leather - Expand Furniture - Folding Tables, Smarter Wall Beds, Space Savers