Two Adjustable Size - Small is for 5.5" - 7.1" wrist, Large is for 7.1" -8.7" wrist. These Replacement Bands are for Fitbit Charge 3, Fitbit Charge 4 and Charge 3 SE only, NO Fitbit Charge 3/4 tracker included.
Seamless Match - Fits well with no gap. Simple to install and remove, NO tool required. The end of the band has a lug, which fit your charge 3 smart watch in place and locked precisely & securely.
Two Loops + Notch Design - Specially designed for sports. We added an extra loop. Our notch is also designed little longer to make it attached super tight. Never going to loose and fall off.
Premium Waterproof Material - Made from flexible high-quality elastomer, sweat resistant & water resistant. Prevents skin from irritation, soft, lightweight and durable, very comfortable to wear.
What You Get - 1 Pack replacement band for Fitbit charge 3 & Fitbit charge 4. Superior quality & ultra comfortable wearing experience.