Easy to Care: Suitable for machine washing and tumble drying. Responsible: Created from a recycled polyester and responsibly sourced cotton for a more responsible choice. Fully Reversible: For two stylish looks in one. Button Fastening: To keep your duvet securely in place. Envelope Closure: Providing a secure and snug fit for your pillow. King Duvet Set- 220x230 cm + 2 50x75 cm Pillowcases 52% Polyester 48% Cotton 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.