Compatible models: Vancle sports silicone wristband only specially designed for Fitbit Charge 2 for men and women. High-quality silicone material: compatible with Fitbit Charge 2 strap, high-quality soft silicone strap, durable, waterproof, comfortable and pleasant sports experience. Available sizes: compatible with Fitbit Charge 2 bracelet is available in different sizes: S means small size, suitable for wrists of 140 mm - 170 mm (5.5 - 6.7 inch); L means large size, suitable for wrists of 170 mm - 206 mm (6.7 - 8.1 inches). Personality collocation: Compatible with Fitbit Charge 2 watch strap has different popular colour bands that can adjust your watch and adapt to your mood, dress in daily life, dress for your watch and highlight its unique taste.Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you!About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly.2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hoursHope you have a pleasant shopping experience!