I-SMILE For Garmin Vivofit 4 Bands, Original Edition Silicone Replacement Wristband Strap Accessories with adjustable Buckle for Women Men Personalize your Garmin vivofit 4 to match your daily style with this brand color combination in different occasions. Free size fit your wrist depend on bukle site you placed. Small Size: 5.5 - 6.3 inch / 209mm in total. Large Size: 6.3 - 7.8 Inch / 244 mm in total. This Style of Garmin Vivofit 4 band made up of TPU silicone, good silicone quality assures no effect to your health, soft features ensure a comfortable feeling of wearing. Compare with other clasp design bands, this replacement bands has a watch buckle which makes quick and easy to put on wristband also solve the fall off problem on the clasps, you have no fear of losing your Garmin Vivofit 4. Package include: Garmin Vivofit 4 band * 3. Warranty: 30 days money-back & 12-month replace warranty.