Replacement wristband for the FitBit Charge 3 / 3SE / 4: This wrist strap is the perfect replacement for the original band of the FitBit Charge 3 activity tracker. To Fit: 5.1" - 7.1" (Small) or 6.5" - 9" (Large). Features: 1) Click and Go system - easy release 2) Stainless steel paint coated buckle 3) Soft and gentle 4) Light Weight (18 grams) 5) Adjustable as per sizes 5.1" to 9" (depending on size purchased) 6) Diamond cross outer design 7) Double strap hold down retainer - stops straps from hanging out and catching items 8) Sports design - light weight, seemless movement 9) Washable with regular soap 10) Retracts dust and hygenic 11) 11 x 4mm spaced adjustment holes - allows accurate fitting to wrist 12) Available in various colours -