This WITHit Fitbit Charge 3 & 4 Bands are high-quality option that is as functional as it is stylish. Made from electroplated stainless-steel mesh, integrated hardware to attach band to your deice with a magnetic closure adjust to fit most wrists. Sports Silicone bands are soft & durable for a comfortable fit, adjustable and secure watch-style stainless steel buckle. it's a wonderful complement to your existing wearable device. It's a high-quality Fitbit Charge 3 & 4 band for women and men.