Dive into a more rejuvenating sleep with the Aveline 8″ Twin XL Mattress. Its top layer of breathable gel-infused memory foam ensures a steady, cool body climate by efficiently dispersing body heat. This mattress rapidly adjusts to your weight and posture, offering unparalleled comfort. Enjoy the benefits of this foam mattress to ease pressure points, giving relief from traditional mattress discomforts. This mattress is made without fiberglass. Aveline’s memory foam is CertiPUR-US certified foam, made without formaldehyde, ozone depleters, mercury, lead or other heavy metals, and phthalates regulated by the U.S. Consumer Product Safety Commission. Foam samples are taken at the manufacturing stage and are analyzed by independent, accredited laboratories. This mattress ships compressed and rolled in a box, directly to your doorstep. It takes 2 to 4 hours for the mattress to expand most of the way and a day to expand fully. Includes a removable stretch k