【Compatible Models】This replacement fitbit charge 4 band compatible with Fitbit Charge 4 / Fitbit Charge 3 and Fitbit Charge 3 SE only, NO tracker included. 【High Quality Material】The Fitbit charge 4 bands for women men is made of durable soft silicone, which is Breathable, Sweat-resistant, Dirt-proof, and Waterproof, Lightweight, Brings you the unique soft & comfortable feeling all day. 【Sturdy & Secure Connector】There are two updated watch lugs on both ends of the fitbit charge 4 strap, attach to your Fitbit charge 3 watch precisely and securely. No worry of falling off. And the sport fitbit charge 4 bands are very easy to adjust the length, a good choice for daily wear and exercise. 【Available in Two Sizes】Small size fits 5.5" - 7.1" (140mm - 180 mm) Women & Men’s wrists, Large size fits 7.1" - 8.7" (180mm - 220 mm) Women & Men’s wrists. You will get four fitbit charge 4 replacement bands of popular fashion colors, personalize your fitbit charge 4 tracker to fit your outfit and mood in daily life. Friendly & Reliable support is available 24/7! Sport Bands for Fitbit Charge 4 Band & Fitbit Charge 3 Bands, Soft Silicone Adjustable Comfortable Replacement Wristbands Women/Men for Fitbit Charge 4 / Fitbit Charge 3 / Charge 3 SE Compatible Devices: Fitbit Charge 4 & Fitbit Charge 3 & Fitbit Charge 3 SE(Tracker is NOT included) Free Size: Small size fits for 5.5" - 7.1" (140mm - 180 mm) wrists of Women Men, Large fits for 7.1" - 8.7" (180mm - 220 mm) wrists of Women Men. Comfortable to wear: Soft silicone material, skin-friendly, durable, breathable and lightweight design, bringing you the best wearing experience, ideal for outdoor and daily wear Perfect Gift to friends or family. Great for All Year Use: 1. Comfortable everyday wear, leisure and office, soft and Lightweight design can easily upgrades sport experience. 2. Perfect for yoga, exercise, fitness, any type of workout, and everyday use. Our Silicone straps combine fashion, function and performance.