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
NYHAMN sleeper sofa, with foam mattress/Knisa gray/beige - IKEA
NYHAMN Foam mattress, firm, 55 1/8x78 3/4" - IKEA
IKEA lycksele sofa bed (hard mattress), Furniture & Home Living, Furniture, Bed Frames & Mattresses on Carousell
LYCKSELE LÖVÅS Mattress, 55 1/8x74" - IKEA
LYCKSELE MURBO mattress, 80x188 cm - IKEA
NYHAMN sleeper sofa, with foam mattress/Knisa gray/beige - IKEA