Thank you for viewing! ^_^ Please choose between a hair tie or a pony hook and write your choice in the comment section. ⭐︎ Pony hooks are easy hair accessories that you simply insert between the existing hair tie. ♡ Circle size: 2.8cm Hair tie thickness: 4mm Please note that the price of future items may fluctuate due to changes in materials and material costs, even if the design is the same. Thank you for your understanding.