Accessory Armband for Fitbit Alta, Patterned Silicone Replacement Wristband for Alta with Metal Buckle, Owl Style Design, Large Compatible with smart watch Fitbit Alta Made From High Quality Soft TPU and Metal Button Feel free to wear it or take it off your hand, just stick and lock your fitbit Alta easily S/M Fits 5.5"-6.7" Wrist; L/XL Fits 6.7"-8.1" Wrist Friendly customer service, and 30 days money back guarantee