Details: Product Features: The wristband design is ergonomic, durable, moderately soft, and wearable Very comfortable, the size can be adjusted according to the personal wrist condition Made of high quality soft environmental silicone, no peculiar smell and , no extra edge to hurt your hands. Sport silicone band compatible with Garmin Vivofit JR 3, for GarminFit JR3. No buckle design, will not harm children& 39;s skin, suitable for children. Lightweight and comfortable, brings comfortable experience when you exercise. Specification: Material: Silicone Size: 5.1-7.5inches Universal model: For GarminFit JR3 For Garmin Vivofit JR.3 Package Includes: 1x Silicone Band Note: Conversion: 1inch=2.54cm, 1cm=0.393inch Please allow slightly 0-1cm difference due to manual measurement. Colors can appear different depending on light and how the listing is viewed. Thanks for your understanding and attention. Wish you a pleasant shopping experience