I-SMILE Fitbit Charge 2 Bands, Two-color Compression Breathable Replacement Wristband for Fitbit Charge 2 Bands, Buckle, 15 Colors, Large, Small Band for Fitbit Charge 2 with rows of two-color compression molded perforations reduce weight and improve ventilation, No WEAR-OFF Classic replacement bands for Fitbit Charge 2 hr are sweat, rain, splash, water resistant, intended for high intensity workouts and sleep tracking Size: Large for 6.7"-8.1" wrist, Small for 5.5"-6.7" wrist. Package included: Fitbit Charge 2 strap. More color choices than original accessory band and make your new Fitbit Charge 2 a new look, and perfectly fit your daily outfits. Warranty:30 days of free money-back & 12-months of free replaced.(For the replacement Band)