3.5" Air Gel Memory Foam layer naturally responds to an individual's body temperate and works great on Back Pain Relief, spine alignment, and hips, lower back, and shoulders' pressure point reduction. 8.5" High-Density ultra-supportive base foam provides enhanced edge support, less tossing and turning, ideal for side, stomach, and back sleepers. Tencel mattress cover, designed for non-flip, recharges your ultimate slumber, good for home bedroom or guest room furniture frame. It is easy to remove and wash, and comfortable with a natural cloud-like feel. The Fireproof fabric is free from glass fiber and chemical fire retardant. Mattress Firm Feel: Breathable and Quick Rebound, Won't "sink in and feel stuck" and sleep hot, CertiPUR-US certified, Foam is certified for safety, free of emissions, long-lasting durability. Shipping & Return: Sunrising Bedding fiberglass-free memory foam mattresses are compressed and rolled in a Box shipping to your door, 120 Day Free Returned, No risk and shipping costs or other. (there's no need to squeeze it back into the box). Color: White.