Greeninsync New Laser Colors Replacement Bands for Fitbit FLEX(Large) Latest replacement fitbit flex bands set with metal clasps for fitbit flex tracker Antibacterial Material, soft, waterproof rubber bands, excellent replacement for the origin bands Wristband Small Size: 5.5~6.9 inches, 140mm~176mm/ Large Size: 6.3~8.2 inches, 161mm~209mm Trademarked by GreenInsync: Perfect Fit or 100% Money Back Guaranteed!" 200+ Stylish fit bit wris tband to match your daily style with this brand new color choices!