"100% washed cotton. Breathable and moisture absorbing. The cloth is treated with a special process, which makes it softer and more comfortable. Duvet cover set includes 1 White Duvet Cover (104""x90""), 2 Pillow cases (20""x36""), King Size. (Note: Duvet Insert is NOT included) Selected high-quality cotton produced in top, cotton growing areas. The cotton fiber is long, strong, and not easy to pull. ATsense duvet cover set is certified OEKO-TEX Standard 100, tested for harmful substances, allowing you to sleep peacefully. ATsense duvet cover set is well-made. The hidden zipper and the 8 corner ties have been reinforced sewn so that it will not break with ease. Particularly suitable for people with with sensitive skin. Machine washable. Tumble dry at low temperature."