Ayiyoy Women's Indoors Velvet Cotton Beanie Hat Soft Sleep And Chemo Cap Material: 85% Velvet,15% Cotton Size M Suitable for head circumference 20.87"-22.83",Size L Suitable for head circumference 22.05"-25.59".Hats Deep:9.06" Double layer beanie cap can keep you warm in cold winter Ideal for women with hair loss including cancer patients. Lightweight, soft fabric, can be worn as sleep cap Completely free of any chemicals. Kind to the skin and scalp. Will not cause rashes or allergic reactions