Experience the ultimate comfort of our adult-friendly mattress infused with green tea memory foam that conforms to your body s natural curves for optimal support and air circulation. The Liquid Gel Flex Foam helps regulate temperature to keep you cool all night. The inner cover is free from fiberglass and other fire-retardant chemicals reducing the risk of skin irritation. Your Mainstays mattress will be conveniently compressed and shipped in a box directly to your door but it will require 48 hours to fully expand before use.