Mavi Bandz Adjustable Thin Headband - Black: Provides A Non-Slip Fit Accessorize Your Style With A Mavi Bandz Adjustable Thin Headband In Black. This Band Uses A High Quality No-Slip Technology To Allow The Headband To Stay In Place All Day, Whether You're On The Go Or At The Gym. 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 Adjustable Thin Headband - Black - 1