The Harrison Spinks Lichfield 5450 Pocket Natural Pillow Top Mattress features a beautifully soft and comfortable pillow top. Combined with ingeniously developed pocket spring systems, this mattress offers exceptional comfort and support from the most dedicated bed manufacturers in the world. Three types of expertly designed spring systems With three incredible layers of specially designed springs to react and adapt to your movements through the night, the Lichfield 5450 Mattress features innovative designs to provide the most superior levels of support possible. Harrison Spinkscleverly developed CortecPocket Spring system is made without glue. Not only does this make them environmentally friendly, but allows the springs to react more quickly to changes in weight and movement through the night, providing optimum support to your body. A layer of in-house designed Micro springs are so small they act almost like a foam - able to contour to your unique body shape, tailoring support exa