Sleeper Sofa Mattress 4.5 Inch Memory Foam Queen Size 59x72 Inch Memory Foam Sleeper Sofa Bed Mattress Size:Queen 59 x 72 x 4.5 Affordable Sofa Sleeper Mattress Premium Made in the USA Memory Foam Sofa Bed Mattress 1.5-inch Memory Foam atop 3-inch support foam Fits most standard queen-size fold-out sofa bed sizes.