Best quality percale fitted sheet an ultra soft smooth and silky fabric that offers excellent support and a great feeling of well being secret fitted sheet100 cotton percale a luxurious densely woven fabric 80 threadscm2 made up of very fine long staple combed cotton fibres making it very hard wearing the higher the thread count the higher the quality of the weavewashable at 60cthe oeko tex label guarantees that the items tested and certified do not contain any harmful subst