Features: 1.High quality and new band for -Fitbit Charge 3/3 SE/4/4 SE ,Not for other models 2.SIZE :Small:5.1-7.1 inch (95mm+103mm) : Large:6.5-9inch(105mm+133mm) . Free Adjustable length;Width:22.6mm 3.Made from comfortable silicone materials for daily and nightly wear 4.More colors and more choices: 13 different colors for you to choose, make your charge 3/3 SE/4/4 SE more personalized to match your daily outfits and feelings. change a color, change a mood and change a kind of luck Product Specification: - No disassembly tools required - Easy to install and remove - Waterproof & sweatproof - Multi-color selection - Innovative design - soft, breathable and can be washed. Package Included: 1 x Breathable Wrist Band For -Fitbit Charge 3/3 SE/4/4 SE( Watch is not included ) About Shipping: 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.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.