These are pillow shams made from pure cotton fabric. Pure cotton is a natural fiber with strong hygroscopicity, which can absorb the sweat secreted by the human body during sleep and keep the head dry and comfortable. Moreover, the pure cotton fabric is soft and skin-friendly, does not irritate the skin, and helps to improve sleep quality. In addition, pure cotton has better air permeability, allowing air to circulate freely, effectively reducing sweating and overheating. pillow shams are items that are close to the skin of the face. It is recommended that you choose soft cotton materials to make sleeping more comfortable. Pure cotton also has the characteristics of strong durability and easy cleaning, which is convenient for daily use and cleaning. To sum up, pure cotton pillow shams are a comfortable, healthy and high-quality choice.