I used this at last year's Coming of Age Day ceremony. It's been stored at home for about a year, so the fibers are a bit frizzy. Please use a hair iron or styling products. The ring part is a carabiner. Easy to attach and detach! Finally, I've included a photo of me wearing it for reference. I will ship it within 2 days via Yu-Yu Mercari delivery. If you want to make it in time for Coming of Age Day, please consider it! Here is the information at the time of purchase! ┈┈┈┈┈┈┈┈┈┈ Extension length: Approximately 55cm Heat-resistant fiber (up to 160°C) Attachment ring size: Approximately 40mm 3 strands (silver, 2 square gold, silver) It will be rolled up for shipping, so it may get wavy, but since it's heat-resistant fiber, you can use a hair iron. Please refrain from purchasing if you are looking for something silky, as it uses fiber extensions, not human hair.