This is a set of 15. The photo shows 10, but it's an image. Book matches are no longer produced in Japan. They are becoming rare. This product has been tested and lights. Get them while you can. As a minimalist, the 10-match size is best for me. Recommended for UL (Ultralight) enthusiasts. Youtuber "Wara Camp" always buys and uses these. Please take a look if you'd like. For outdoor enthusiasts, professional mountaineers, professional campers, and professional magicians. Although unused, there may be scratches or stains. I have stock, so if you want a large quantity, please message me for price negotiation.