<b>Features:</b><br> --Welltin Fitbit Alta Wrist Bands are made of skin-friendly TPU material with smooth finishing for comfortable day to day wear.<br><br> --It’s very easy to change the bands just takes a few seconds.Buckle and Loops design keeps the bands which stays securely in place when worn, no worry about falling off. Metal Clasps are stainless steel,no worry about rust.<br><br> --Multicolor choices, two sizes available, small size for wrist circumference 5.5"- 6.7",large size for wrist circumference 6.7"-8.1".<br><br> --It has a soft smooth outer and can feel the soft on the arm,which makes it great for sports and daily wear.<br><br> <b>How to maintain the band? </b><br> --Avoid to directly touch with dark clothes lest your bracelets would be discolored.<br>--To prevent yellowing, please avoid strong sun exposure, rain and high temperature.<br><br> <b>How to clean the bands?</b><br> Notes: Please take off your fitbit before clean the band!<br> 1.Apply soapy water if there is grease on your band. Wipe the stains with a soft cloth.<br>2.Clean with detergent. First, wet the band with water, add a little bit of detergent, then brush the band with a small brush gently. Then rinse with water. Wipe dry the water with a napkin or soft cloth, placed in a cool and ventilated place to dry<br><br>