Material — Light Weight Satin , Very Silky Feeling and Help you Have a Sound Sleep. Size — S ,M ,L ,XL ,2XL ,3XL ,4XL , Almost Fit Everyone. Elastic Waist With Drawstring — Comfortable and Relaxing Fit, Adjust it As you like. The Pants Has Fly Opening — Humanized Design. Perfect as a Gift — Retail over 40USD, Great Choice For your Husband, Boyfriend, Brother and Son as a Birthday gift and Great Present for Father Day, Valentine’s Day and Christmas.