Thank you for viewing! This is a large hair tie that can be used by adults and kids alike! The rubber band can be replaced if it breaks. Because it is handmade, there may be some air bubbles, burrs, unevenness, bumps, or dust. Also, it is not as strong as a mass-produced product. Thank you for your understanding. We offer discounts for multiple purchases! 50 yen off from the second item onwards! Size: 3 x 2 cm Rubber band size: 3 mm, 5 cm in diameter Please read the profile before purchasing. Thank you!