The secret of invisibobble® lies in its spiral shape. Because the invisibobble® distributes pressure evenly on your ponytail, you get a strong and comfortable fit. The invisibobble® Original leaves no traces in your hair and is waterproof due to invisibobble®'s scientifically proven Hairlovetech™. ul.kit li {list-style-type: disc; margin-left: 15px;} Traceless: Leaves no kinks High-wearing comfort: Designed for comfortable all day wear Hair-loving: Prevents tugging, pulling, split ends and other damage Updo tool: Strong, comfortable grip to create hairstyles easily without leaving a trace Non-soaking: Waterproof and sweatproof, perfect for swimming and sports. Easily removed from wet or dry hair