This Best Quality plain dark grey cotton muslin fitted sheet matches with the Check duvet cover and pillowcase.Product Details •  100% cotton •  200 Thread Count: The higher the thread count, the higher the quality of the weave •  Flap height 30cm for thick mattresses •  Machine washable at 60°C •  Product will regain its texture after tumble drying •  Responsible product - Choosing a “STANDARD 100 certified product by OEKO-TEX®\" (official product designation) is all about choosing textiles that contain no harmful substances and do not irritate the skin. This international benchmark label protects the health of consumers. Healthy, safe and responsible.Sizes •  90 x 190cm: Single •  140 x 190cm: Double •  160 x 200cm: King •  180 x 200cm: Super King