It is ranforce class. the product includes: duvet cover (200 cm x 220 cm) rubber sheets: 160x200+30 cm pillowcases (50 cm x 70 cm) (2 pieces) easy to maintain. it has high air permeability. thanks to its soft fabric feature, it provides a comfortable touch to the skin. ..add a different air to your home. wash the products by turning them inside out at 30 degrees. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.