The SleepSoul Harmony Mattress contains highly supportive materials that come together to provide comfort to your whole body. Available in 5 sizes, this mattress will make an excellent choice for anyone, whether it be a child or an adult. With a firmness rating of medium/firm, it is ideal for those who prefer a firmer mattress.. . . . . . . Comfortable Components. The SleepSoul Harmony Foam Mattress combines different fillings to create a product that is unparalleled in comfort. 3 key components of this mattress are memory foam, convoluted foam and 1000 individual edge-to-edge pocket springs. Thanks to the combination of foam and pocket springs, it is highly effective at relieving pressure and alleviating strain from common pressure areas such as your hips.. . . . . . . . . . Fresh Delivery. Vacuum-sealed and packed into a box, the SleepSoul Harmony Foam Mattress will ensure freshness for a longer lasting mattress. This packing also ensures that the mattress is convenient and easy to move around. No more struggling to get your mattress up the stairs! . . . . . . . . . Straightforward Assembly. Once you have your SleepSoul Harmony Memory Foam Mattress in its desired location, simply remove the box and plastic wrap. Once placed on a bed, it's best to leave the mattress for 24 hours so it can take shape and provide you with ultimate comfort.. .