Protect your duvet insert while keeping comfy and safe. Our beautiful sateen is made from a 100% cotton fabric give a soft feel finish. This fabric becomes softer with every wash & use, that is breathable all year round – making it the perfect summer sheet, or ultimate comfort during the winter months. Durable and supremely soft, our sateen duvet cover and sham will elevate the look of your sleeping space. Plus, they are STANDARD 100 by OEKO-TEX Certified to be both safe and chemical-free that’s better for the earth and better for your home.