Thank you for viewing my listing. Material is unknown. The description at the time of purchase stated it was silk. I have not confirmed the details. As a vintage item, there may be some imperfections. I cannot describe everything, so please understand this at the time of purchase. Recycled materials will be used for packaging. Yu-packet (anonymous delivery) will be used. Due to thickness restrictions, cushioning material will not be used. Packaging will consist of a rain-proof vinyl bag and a宅配袋 (delivery bag). Thank you for your understanding.