You are viewing our Flash Furniture Capri Comfortable Sleep 12 Inch CertiPUR-US Certified Memory Foam & Pocket Spring Mattress, King Mattress in a Box, Model# CL-BT33PM-R12M-K-GG. A great night's sleep is essential to maintain both your physical and mental well-being so choosing the best king mattress is paramount. This hybrid king mattress, offering pocket spring support with the added benefit of luxurious memory foam layering, will give you the firmness you need with the softness you crave. 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. Extra cushioning on this king bed mattress cradles your body in every position, keeping your back, neck and shoulders more comfortable throughout the night while also being ultra-supportive to provide the restful sleep you and your family deserve. Say goodbye to morning joint stiffness and wakeful nights. Our medium-firm king mattress features individually wrapped pocket spring coils that reduce motion transfer to help you stay asleep while minimizing pressure points and back pain. This king-size memory foam 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 fully compressed and boxed, this king bed in a box can be easily moved where you need it. The top-quality construction of this memory foam padded 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. [CL-BT33PM-R12M-K-GG] Contact us with any questions you have.