Will ship tomorrow if you order a common size mattress by noon today. Ad China Purchase Sofa Beds Supplier High Quality Competitive Price. Eivor Dual Sofa Bed Queen Size Twist Granite By Innovation Sofa Bed Queen Queen Size Sofa Bed Queen Size Sofa Up to 56 off. Full size sleeper sofa mattress . Will ship in about a week if you order a custom-made sofa bed replacement mattress. While there are some common sizes like a queen sofa bed mattress 6072 a full sofa bed mattress 5272 and a twin sofa bed mattress 3572 many of the sleeper take unique sizes. Mattresses that are too small will slide around on the frame which can be very uncomfortable for the sleeper. Twin Loveseat Sofa Beds are about 5060 inches while Full Sofa Beds are 6783 inches. Gymax 4 Full XL Size Foam Folding Mattress Sofa Be. Generally speaking foam mattresses memory foam or gel are ideal for sleeper sofas because there are no metal springs that will deteriorate over time. Ad Premium Italian leather r...