Premium Structure: The ROXZO 4 Folding Mattress combines the comfort of 0.5 inch memory foam with the supportive feel of 3.5 inch high-density 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: ROXZO Memory Foam Tri-Fold Mattresses are the ideal solution for temporary sleeping. Simply unfold the memory foam bed on the floor for a comfortable night's sleep; and it folds down to a compact size after use, allowing you to move this mattress anywhere. Strong Support: Its upgraded support foam, which is 30% denser than other mattresses, providing greater firmness. The durability of the folding mattress has also been greatly improved, and it can undergo thousands of pressure tests without collapsing.