Experience balanced comfort with the Artemisia mattress. It features a supportive 9.5" foam base topped with a conforming 2.5" memory foam layer. CertiPUR-US certified and conveniently delivered in a box, it offers a simple path to a secure and restful night's sleep.【Dual-Layer Comfort System】: The mattress combines a 2.5-inch top layer of memory foam for body-contouring pressure relief with a 9.5-inch supportive standard foam base, creating a balanced medium-firm feel.【CertiPUR-US Certified Materials】: All the foams used in the mattress are CertiPUR-US certified, meaning they are made without harmful chemicals and are low in VOCs (Volatile Organic Compounds), ensuring a safer and healthier sleep environment.【Integrated Fire Safety Barrier】: The mattress includes an inner cover with an FR (Fire Retardant) Barrier and meets the 16 CFR 1633 flammability standard, providing an important layer of safety and compliance with U.S. federal regulations.【Non-Slip Bottom Cover with Zipper】: The bottom cover is designed to be non-slip, helping to keep the mattress securely in place on your bed frame. It also features a zipper for easy removal, simplifying the process of cleaning or maintaining the outer covers.【Convenient Roll-Packed Delivery】: Comes compressed and rolled in a box for easy handling, transport, and setup directly in your room.