sealy store near me in trichy growell beds and furnitures trichy a hr Foam King Size Mattres typically refers to a mattress primarily made of HR (High Resilience) foam and designed to fit a king-size bed frame. HR foam is a high-density foam known for its durability and resilience. It provides firm support and helps maintain the mattress's shape over time. HR foam is often used as the main material in mattresses, especially those designed to offer support and longevity.