Ikea G&auml;spa Sheet Set,dark Lilac Full/double Sateen-woven bed linen in cotton is very soft and pleasant to sleep in, and has a pronounced luster that makes it look beautiful on your bed. The combed cotton gives the bed linen an extra smooth and even surface which feels soft against your skin. Fits mattresses with a thickness up to 13" since the fitted sheet has elastic edging. ncludes: 1 Full flat sheet, 1 Full fitted sheet and 2 Queen pillowcases. 310 thread count. Thread count indicates the number of threads per square inch of fabric. The higher the thread count the more densely woven the fabric.