Fitbit Alta Bands ,Eityilla Replacement Watch Wrist Band Strap for Fitbit Alta Wristband Compatible with Fitbit Alta -- This soft and smooth silicone band is designed to fits Fitbit Alta. Stylish & Durable & 4 colors selection -- The Eityilla replacement bands made of soft and flexible silicone material, its durable and comfortable to wear. 4 Color available, you can choose the color to fit any occasion. Available size -- Small & large (The size can be adjusted according to the circumstance of individual wrist.) Small: 5.5-6.7 inches(140-170mm) Band Width: 0.6 inches/13.9mm Large: 6.7-8.1 inches(170-206mm) Band Width: 0.6 inches/13.9mm Easy to replace -- You can easy to put the tracker in and easy to take out. Shop with confidence -- We offer a 30 days money back guarantee. If you have any questions, please feel free to contact us, our customer service will be more than happy to assit you.