inofia folding mattress, tri-fold memory foam mattress with ultra soft removable washable cover, breathable & portable - 4-inch - full inofia folding mattresses are a perfect choice for many occasions when a friend suddenly wants to stay in your home, or when you are ready to go camping in the wild, or if you live in a very small space. the inofia folding mattress can be easily retracted and transported very conveniently.