Made from flexible TPU, this replacement wrist strap for Fitbit Charge 3 and Charge 4 in size L provides a thick, comfortable fit designed for everyday wear.
The band is waterproof and sweatproof, with a soft surface that resists skin irritation; the material is described as harmless to human skin, environmentally safe, and non‑allergenic. A color buckle secures the strap and the thicker profile aims to improve wearing comfort during activity.
Specifications
- Material: TPU (thermoplastic polyurethane)
- Compatibility: Fitbit Charge 3, Fitbit Charge 4
- Size: L (large)
- Features: waterproof, sweatproof, non‑allergenic
- Design: thick, soft strap with color buckle
- Durability: fine workmanship; long service life
This TPU wrist strap replaces the original band for Fitbit Charge 3/4 L and is intended for daily wear and active use.