Continental Sleep, 10-Inch Orthopedic King Size Mattress with 5" Split Box Spring, Mercedes Collection A PLUSH SLEEPING EXPERIENCE Thick pillow top gives you that soft feeling you love ORTHOPEDIC ENGINEERING While this mattress is soft, it has an orthopedic design to promote a healthy spine COMBATS PRESSURE POINT Foam padding and innerspring system ensure even weight distribution for less tossing and turning NATURE'S COVER Our all-natural aloe vera organic stretch knit cover is perfect for those who are green-minded or who have sensitive skin UNIVERSAL DESIGN This mattress was engineered to work with any box spring. Use your own or purchase one from us.