The Best Quality LYO flat sheet is made in a cotton and lyocell blend, which gives you even more softness and absolute comfort.Product Details •  50% cotton, 50% lyocell •  180 thread count: The higher the thread count, the higher the quality of the weave •  The Best Quality label brings you the best of La Redoute,. guaranteeing the best materials, an excellent cut and superior finish for a truly luxury product •  Machine washable at 60°C •  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 •  180 x 290cm: Single •  240 x 290cm: Double •  270 x 290cm: King