Unique designanti-swing and special groove design inside the fit bit flex 2 bands with extra clear silicon fastener ring, double secure to prevent the end of the flex 2 wristband from sliding out 3 colors available, black, navy and slate. Personalize your fit bit flex 2 straps to fit your mood and outfits in daily life with this brand new color choices The flex 2 adjustable band is made of a flexible, durable premium material. Two sizes available, small size fits for 5.1"-7.0" wrist. Large size fits for 6.1"-8.5" wrist. Please choose the right size while placing fibit flex 2 bands High quality services, 100% money back guarantee if fit bit Flex 2 soft band doesn't fit or meet all of your expectations. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia