The Otella fitted sheet is made from organic cotton satin.Cotton satin is a weaving method and not a material. It is made of long and very fine cotton threads. This tight and flexible weaving gives the cotton satin a slightly shiny appearance with a very silky and soft feel.Product Details •  100% organic cotton •  300 Thread Count: Thread count is the most common indicator to measure the quality of the fabric . Different sensations are made possible thanks to the weaving and the number of threads present. A higher number of threads makes it possible to make the bed linen particularly soft, more resistant and therefore durable over time. •  For mattress height 25 cm •  Machine washable at 60°C •  Tumble dry at low temperature •  Iron at average temperature •  Do not dry clean •  Responsible product - Choosing cotton from organic farming means consuming responsibly. Why? Because it does not include any chemicals, pesticides, insecticides or GMOs. The result: a product created with minimal impact on biodiversity and the health of agricultural workers. Choosing cotton from organic farming means consuming responsibly. Why? Because it does not include any chemicals, pesticides, insecticides or GMOs. The result: a product created with minimal impact on biodiversity and the health of agricultural workers. 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