Handcrafted in USA. Italian 25mm mulberry silk. Double Layers of silks One size fits most (fully adjustable elastic drawstring with silk ribbon through button hole on the side of cap allows you to fully adjust the cap to your level of comfort). Unique shape design which allows you to pull hair inside the cap without over-crowded so your hair can BREATH (especially if you have long hair). Machine washable in delicate cycle cold water. lay flat to dry . I value your business and your well being , Please let me know if you have any question. Thank you !