The flannel sheets are made from 100% preshrunk cotton and Oeko-Tex Standard 100 certified. The material is soft, velvety to touch, thick, warm, and cozy. The color and design of this product offer simplicity and versatility. Easy to care for. To preserve the brilliance of the high-quality prints and colors, please turn bedlinen inside out to wash. Use detergents without bleach. It is best to wash colored products separately when washing them for the first time. Ironing and pressing are possible on maximum heat. Suggested washing temperature 60°C. This product is certified, meaning that everything from the dyes and fabrics to accessories like buttons and zippers is tested and verified as free from harmful levels of more than 300 substances.