35% Bamboo, 65% Polyester Premium Structure: Roxzo 6" memory foam folding mattress is renowned for its three-layer design. The 0.5" luxurious memory foam in the first layer allows you to experience the superior touch; The 2" gel memory foam in the middle layer caters to your body shape in every possible way, cleverly relieve pressure; The bottom layer of 3.5" of high-density support foam supports your body comfortably. 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.