king size mattress store in TV kovil growell beds and furnitures pocket spring king size mattress is similar to the queen size version but is designed to fit a larger bed frame, providing more space for sleeping Like with the queen size version, each coil spring in a pocket spring king size mattress is housed in its fabric pocket. This design allows the springs to move independently, providing targeted support to different areas of the body. This individualized support helps reduce pressure points and promotes better spinal alignment.