Easy to Care: Suitable for machine washing and tumble drying; envelope Closure: Providing a secure and snug fit for your pillow; glow in the dark: To see the glow-in-the-dark effect at its best, this product should be exposed to either day light or household lighting for at least 30 minutes before bedtime; the effect will initially become more obvious as your eyes adjust to the dark; there will still be some visibility of the glow effect for at least 30 minutes after you switch the lights off Double Duvet Set: 200x200 cm and 2 50x75 cm Pillowcases 100% 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