CASELAST Premium Fitbit One Colorful Replacement Clip Holder CASELAST Replacement Clip for Fitbit One is made of high-quality and sturdy materials. The plastic clip end has been improved so that it's much more durable and solid than other clips. The clip perfectly fits every Fitbit One and holds it nice and tight. CASELAST Fitbit One Clip can be easily attached to a pocket, belt, bra and other clothing. Stylish and elegant. CASELAST Fitbit One clips come in a variety of colors, so that you can choose the one that suits you.