Thank you for viewing! This is a neck cover made with a silk blend. Silk blocks UV rays. How about it for sun protection? It's a product from the Nara Prefecture manufacturer, 〚Maruei Knit〛 (made in Japan with reliable in-house production). This was included in a lucky bag, but I'm selling it because I have a different color. I hope someone will like it ❀ ・Size: Free size ・Material: Silk, Nylon, Polyurethane When shipping, I will remove the cardboard and fold it again before sending. Thank you.