Material: 70% polyester / 30% polyamide fleece, certified according to Öko-Tex 100 standard Care: washable up to 95 degrees, tumble dryer-safe, wash before first use Patented technology: Evolon's micro-filament structure forms an effective barrier against allergens. Long-lasting protection even after many washes. The effectiveness of Evolon has been tested and confirmed by well-known independent institutes Features: high air and water vapour permeability thanks to microfine Evolon fleece, whose micro air channels perfectly dissipate the water vapour generated during sleep. Perfect anti-mite protection thanks to the outstanding material properties of Evolon