Warm tips: the Grey rubber bands are disposable, if you reused, each time, as expected, it gets a bit larger, please don't reuse them once it loose elastics. And you can choose appropriate quantity one time as per your hair thick and tighten requirments; Please keep them away from children under 3 years old to avoid choking and swallowing | Strong and stretchy: The elastics are not so thin that they break when you try to stretch, but they are not so thick that you can't stretch them properly. They have stayed in very fine, soft hair through days of gardening. Also, they slide off the braids when grabbed and pull off clean. No rolling and catching the hair to make knots. | Soft Material: Our Hair Ties are very soft, so you can expand freely for maximum elasticity without tearing/ripping apart for durability. The Hair elastics are effortless to wear on and take off your hairs; no pain and snag-free when pulling off, easy to wear securely for a rigorous workout and fit well underneath your hair tie. Easy to twist round thin, middle thick, curly hairs, braiding and ponytail. | Multipurpose: these elastic bands are suitable for all kinds person, man, woman, baby, and child, ideal for long or short hair, curls, ponytail, braiding, daily hairdos and so on, also can be applied for office or industrial | Package: Including 300pcs Grey Hair Elastics