Because it has wire in it, you can make a bun and wrap it around, securing it with pins or U-pins. The size can be adjusted depending on how you secure it. Approximately 30cm when stretched out. Approximately 13cm when easily rolled up. It can be made even smaller by pinning it. It can also be made larger by fluffing it up a bit. Suitable for both adults and children. Please roll it up to your desired size. Adult Ceremony Hairpiece