Large straps replace the original large straps that Fitbit shipped with your tracker. The lines on the new straps are more pronounced than on the original, but they look neat. I bought 3 replacement bands in different colors after losing almost my entire tracker due to one of the sides separating from the original black band. I considered Best Buy for "reliable" tapes or a genuine replacement, but I'm glad I decided not to. These straps have a better lock than the original which you would push through. They fit securely, are identical to the original and look just like the original. The tracker fits directly onto the tape with no gap between them. After testing all 3 new replacement bands, they all fit perfectly. If you're looking for a replacement, don't waste your money and simply label the bands with the "Fitbit" name. This is exactly what I was looking for.
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