Extra-large mattress, 12-inch gel memory foam extra-large mattress, bringing cool nights and stress relief

4.High-quality Top Sponge - queen size spring mattress is made of high-quality knitted fabric, multi-layer high-quality sponge keeps you away from back pain. All memory foam is CertiPUR-US certified and tested to be free of harmful substances 3.Convenient Carton Packing - The mattress is shipped rolled, compressed, vacuum-sealed in an easy-to-handle box, which can be easily transported to the door for installation. Measures 60" W x 80" D x 14" H and supports a maximum weight of 700 lbs. For optimal performance and comfort, we recommend allowing the mattress 72 hours to fully expand and for any initial odors to dissipate 2.Durable and Supportive Construction - With high-density springs and reinforced edge support, this mattress offers exceptional durability and long-lasting performance. It maintains its shape and support over time, ensuring consistent comfort and stability throughout years of use