Mavi Bandz Active Adjustable Sport Headband - Kettlebell Love: Provides A Non-Slip Fit Prepare For The Gym With Mavi Bands Active Adjustable Sport Headband With Kettlebell Love Tagline. This Band Uses A High Quality No-Slip Technology To Allow The Headband To Stay In Place All Day. The Adjustable Elastic Strap Back Helps Give You A Secure Fit Every Time. Adjustable Strap, Soft Grip Back Helps Give You A Secure Fit Every Time Provides A Non-Slip Fit On The Inside Using Advanced Material Technology Fits 3 Years Old And Up Works On All Hair Types | Mavi Bandz Active Adjustable Sport Headband - Kettlebell Love - 1