We only use high quality cotton for this replacement sofa cover that fits Ikea Ektorp Chair cover, and we run a number of tests to make sure that our cover fits well to Ektorp Chair. The package includes one set of sofa covers, and only fits ikea Ektorp chair cover. Warning: the covers are design only for Ikea Ektorp Chair only. It is not designed for Ektorp Tullsta, nor Ektorp JennyLund. Sofa isn’t included! Warning: Please use spin dry or dry cleaning in case if you need to wash it. Warning: This gray is no the same as Ikea’s gray, because we use cotton and Ikea use polyester for many of its gray slipcovers.