Fitbit Charge 2 Bands Replacement Sport Strap Accessories with Secure Fasteners Metal Clasps for Fitbit Charge 2 WristbandIGK IS A REGISTERED TRADEMARK, SERIAL NUMBER: 86646377. Do Not Buy Any iGK Products from Other Sellers!FAQs:What is the Material?It is made of High Quality TPU rather than Silicon.TPU Material is far better than Silicon Material: Cold-resistant, Oil-resistant, Water-resistant and Anti-sweat.It is comfortable, eco-friendly and safe for human skin.Is it secure enought for my Fitbit Charge 2, and is the bands easy to install and remove?Yes, it is secure and easy to remove or install. Every products has undergone rigorous testing before packaging.We will pick out any defective products.Does this fit the Charge HR or other Fitbit Product also?No, It doesn't. The replacement band is only compatible with fitbit charge 2 heart rate, which is newly released on Sep. 2016.Compatible with Fitbit Charge 2 ONLY - watch buckle designed with refined to fit the Fitbit Charge 2 and perfect replace your original band.High Quality Material: interchangeable accessory bands for Fitbit Charge 2 is made of flexible and durable elastomer material with surgical-grade stainless steel buckle. It is comfortable, eco-friendly and safe for the human skin.Package Included:1 x Replacement TPU Band for Fitbit Charge 2 (Fitbit Charge 2 Heart Rate Monitors is not included)Easy-to-reach SupportWe devote ourself in providing 100% purchase satisfaction and the best service to our customers. If you have any problem, just e-mail us. We will get back to you within 12 hours, We will do whatever we could to make you happy.