18mm Silver Color Buckle TPU Wrist Strap Watch Band for Fitbit Charge 4 / Charge 3 / Charge 3 SE, Size: L(Black)

1. Strap material: TPU
2. Waterproof, sweatproof, comfortable and soft
3. Thick design, comfortable to wear, easy to use
4. The material is harmless to human skin, safe to the environment and not allergenic
5. Fine workmanship and long service life