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 POWER Hair Tie True Black is the answer for everyone with voluminous hair, or an active lifestyle, that wants an extra stronghold in their everyday life or during sports! invisibobble\'s scientifically proven HAIRLOVETECH ensures that invisibobble hair ties leave less traces, less damage and less pain to your hair! Beneifts: - High wearing comfort - Hair-loving - Extra strong grip - Non-soaking - Updo tool