milliard 4.5-inch memory foam replacement mattress for queen size sleeper sofa and couch beds (sofa not included) - queen milliard overnight plight if you’re having company over and it’s time to call it a night, do your guests a favor – replace your sofa mattress! no one wants dibs on the pull-out sofa bed and the inevitable back pains or restless tossing and turning that comes with it... but no more! our sleeper sofa mattress is the result of feedback from many sleep-deprived consumers and hours of real-world naps to be the best sleeper you’ve ever snoozed on. most standard-issue sofa mattresses use creaky, chain-linked bed springs to support your body, and they feel just like they sound. our foam doesn’t have springs, but it does have 31⁄2 inches of firm, high-density base foam that sits beneath a 1-inch layer of spongy, medium-soft memory foam for bi-layered support that’s soft to the touch, but yields gradually as you sleep to contour your body. so-fa, so good our certipur-us certified polyurethane foam is not only supremely comfortable, it’s safe, durable, and supports an ideal balance between positive body support and rich softness to send even light sleepers into dreamland. whether your sofa bed frame has a springy poly-deck, stiff wooden slats, or a metal grid, our mattress will absorb hard pressure points on your hips and shoulders and sustain proper posture in your spine to minimize morning aches. perforated airflow vents allow air to pass through and dissipate body heat to keep you cool, and a removable, satin smooth, jacquard bamboo cover provides an unrivaled texture that’s so soft you might take the couch every night. your bed upstairs is probably jealous ...and it should be. one in a milliard! for almost a decade, customers have favored the comfort and reliability of milliard products as a brand they can trust. our design has you in mind, so you know your mattress is just right the first time, every time. all you need are pillows and a blanket for all the trappings of a regular bed for your guests. lie back, relax, and enjoy the softness.