The Spring Sensation Hybrid Mattress is specially designed with reliable steel coils that provide durable, consistent support, while a soft, luxurious Euro top ensures the perfect balance of comfort for many nights to come. This mattress contains only the highest quality Certi-PUR US® certified foam, letting you rest easy knowing no harmful chemicals are where you sleep. To top it off, it is expertly compressed, packed, and shipped to your door in one compact box along with a 10-year limited warranty for added convenience and peace of mind.