Cotton Linen Blend: A blend of durable linen with smooth and soft cotton. * Responsible: Crafted from soft responsibly sourced cotton. * Garment Washed: for extra softness. * Button Fastening: To keep your duvet securely in place. * Envelope Closure: Providing a secure and snug fit for your pillow. Double Duvet Set- 200x200 cm + 2 50x75 cm Pillowcases 55% Cotton 45% Linen Wash Before Use. Machine Wash at 40 Degrees. Tumble Dry Safe. Content by Terence Conran was established in 2003 by Sir Terence Conran, founder of Habitat and the Conran Shop. At Content by Conran, we believe thoughtful design really does improve the quality of our lives.