Percale Weave: For a smooth and crisp handle. Responsible: Recycled polyester blended with responsibly sourced cotton. Fully Elasticated: Creating a secure hold around your mattress. Durability: Made to withstand regular use and washing. Extra Deep: A 35cm depth for thicker mattresses Double Fitted Sheet- 135x190cm + 35cm 50% Cotton 50% Polyester Wash Before Use. Machine Wash at 40 Degrees. Tumble Dry Safe. Catherine Lansfield is renowned for style and quality - designed and developed in Great Britain.