YIYADO King-size mattress, 12-inch hybrid mattress, featuring memory foam and individually pocketed springs.

【Ultimate King-Size Luxury for Spacious Comfort】The 76" x 80" king-size mattress provides maximum sleeping space — perfect for couples who want extra room or families with children/pets. It is 16" wider than a queen-size mattress (60"), allowing for truly unrestricted movement. 【Certified Safe and Healthy Sleep Environment】CertiPUR-US certified foam: Contains no ozone depleters, heavy metals or harmful flame retardants. Oeko-Tex Standard 100 certified fabric: Scientifically tested for over 300 regulated substances 【Advanced Temperature Regulation】 Gel-infused memory foam actively draws heat away from the body. Open-cell foam structure and 1000+ pocketed coils maximise airflow. 【Hassle-Free King-Size Delivery and Setup】Ships compressed in an easy-to-handle box (expands to a full 76" x 80" within hours). - Fits standard king-size bed frames perfectly (we recommend a sturdy foundation for optimal support). 【Superior motion isolation technology】individually wrapped coils work independently to eliminate motion transfer and reinforced perimeter support prevents edge sagging (supports up to 800 lbs evenly distributed).