A restful nights sleep is the key to great mornings and focused, energetic days and a great mattress makes all the difference. Lay yourself down on the soft knitted fabric covering of this king bed mattress filled with premium high-density foam and a medium-firm pocket spring core. This king hybrid mattress is constructed with ultra-supportive material that cradles your body in every position, keeping your back, neck and shoulders comfortable to provide the restful sleep you and your family need. The foam is CertiPUR-US Certified so it's free from heavy metals, phthalates, BPDE, formaldehyde and has reduced VOCs so you can rest easy knowing your indoor air quality won't be compromised.Purchasing the right mattress may help make body aches and wakeful nights a thing of the past. Our medium-firm king mattress features individually wrapped pocket spring coils that reduce motion transfer to help you stay asleep while minimizing pressure points to reduce or eliminate joint and back pain. Pocket springs provide support by filling in the gaps of your sleeping form while allowing airflow through the mattress, creating a cooler sleeping surface. This king-size hybrid pocket spring mattress is compatible with trundle beds, platform beds and adjustable bed frames, when using with a standard bed frame a box spring or other foundation is required. Arriving compressed and packaged for your convenience, this king size bed in a box is easy to move wherever you need it. The top-quality construction of this high-density foam mattress ensures long-lasting use and its integrated handles make transportation effortless. Perfect for your first house or apartment, this king size bed mattress achieves the ideal blend of comfort, support and durability that will definitely upgrade your sleeping experience.