Experience the ultimate calming, restorative, and supportive night's sleep with the 12 in. Medium Green Tea Infused Gel Memory Foam Mattress. Meticulously crafted using industry-leading technology and three different layers of foam, you can now enjoy a fresher bed, more peaceful sleep, and pain-free mornings. These premium layers work together to provide exceptional support and pressure relief, all while reducing odors and allergens. Rest easy knowing this mattress is made of CeriPUR-US-certified foams and backed by a 10-year warranty. This mattress is conveniently shipped in a box, so we recommend giving it 48-72 hours to adjust to its original size and then a great night's sleep is all yours.