The RTG Sleep pillow-in-a-bag offers a convenient solution for cushioned comfort. Made with care, soft materials inside conform to your unique shape for a quality feel that will help put you right to sleep. For a cooling touch, clusters of memory foam are dispersed throughout to promote better airflow. This standard size pillow is composed of CertiPUR-US memory foam, a flexible foam tested for environmental safety and durability. Perfectly suited for side and back sleepers, it naturally adapts to your ideal comfort level.