【Compatibility & Size】Adjustable Elastic Bands compatible for Fitbit Charge 4 and Fitbit Charge 3. One size suits for 4.3"-7.9"(110mm-200mm) Women Men’s wrists. 【High Quality Material】These Fitbit Charge 4 bands Elastic are made of premium nylon, breathable, lightweight and washable. Brings you the unique soft & comfortable feeling all day. Easy to dry and clean, a great alternative to silicone bands for exercise. 【Secure Connector】The replacement Fitbit Charge 4 Elastic bands are very easy to install and remove. These bands has adapter on both ends, attach to your Fitbit Charge 3 tracker precisely and securely. No worry of falling off. And the sport band are very easy to adjust the length, a good choice for daily wear and exercise. 【Stylish Patterns and Colors】These Fitbit Charge 4 stretchy strap have fashionable weave patterns and vivid colors to dress up your fitbit charge 4 smart watch to fit your outfit and mood in daily life. Various popular colors are available for women men, Black/Wine Red/Leopard/Pink/Green Arrow/Bohemian Purple/Bohemian Green/Black Gray Grid. Friendly & Reliable support is available 24/7! Adjustable Elastic Bands for Fitbit Charge 4 Band Fitbit Charge 3 Band, Soft Stretchy Loop Sport Strap Soft Nylon Women Men Replacement Wristbands for for Fitbit Charge 4/Fitbit Charge 3/Charge 3 SE Compatible Devices: Fitbit Charge 4 and Fitbit Charge 3 (Tracker is NOT included) Multiple Fashion Colors for Choosing: Mysterious Black/Elegant Wine Red/Noble Leopard/Sweet Pink//Charming Green Arrow/Elegant Bohemian Purple/Pretty Bohemian Green/Unassuming Black Gray Grid Free