35% Bamboo, 65% Polyester Premium Folding Mattress: Premium memory foam mattresses feature skin-friendly fabrics, making your skin feel more comfortable than ever; Premium memory foam and strong support cotton ensure its service life. Premium Design: The ROXZO 3" Trifold Mattress is constructed of 0.5" gel memory foam and 2.5" high density support foam. The gel memory foam allows you to adjust your temperature when you lie on it, and it gives you a cool feeling, the high-density support foam makes the mattress more supportive. Portable Mattress: Memory Foam Tri-Fold Mattresses are the ideal solution for temporary sleeping. Which is very convenient to move and carry. It unfolds or folds in seconds.