Mavi Bands 2 Pack Adjustable Headbands - Plain Black: Provides A Non-Slip Fit Step Up Your Style Game With A 2 Pack Of Mavi Bands Adjustable Plain Black Headbands. 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 2 Headbands Per Pack | Mavi Bandz 2 Pack Plain Jane Adjustable Headbands - Plain Black