HSUNNS 12'' King Size Mattresses, Memory Foam Hybrid King Mattress in a Box,Individual Pocket Spring Breathable Comfortable for Sleep Supportive and Pressure Relief, Medium Firm Mattress for RV Bed

King Mattress in a Box Design: Experience the convenience of our compressed and rolled King mattress that easily fits through narrow spaces and expands to its King size upon unpacKing. Perfect for those who need a new mattress but are limited by stairs or tight hallways. Memory Foam Mattress King Comfort: Sink into luxury with our King-sized memory foam mattress that contours to your body, providing personalized support and pressure relief. Optimal Support: Enjoy the best of both worlds with our hybrid King mattress that combines the pressure-relieving comfort of memory foam with the sturdy support of innerspring coils. Cooling Gel Infusion for a Better Night's Rest: Our King mattress features a layer of cooling gel-infused memory foam that draws heat away from your body, ensuring you stay cool and comfortable throughout the night. Perfect for hot sleepers and those who suffer from night sweats. Eco-Friendly: Rest easy knowing our King mattress in a box is made with eco-friendly materials and is CertiPUR-US certified, meaning it's free from harmful chemicals, toxins, and heavy metals. Choose a mattress that's good for you and the planet.