Tkasing Fitbit Alta HR and Alta Band with Metal Clasp, Silicone Replacement Band for Fitbit Alta HR and Alta Small Size 5.5-6.7, Large Size 6.7-8.1, Free Size 5.5 inch  8.1 inch wrist 100% high quality and new replacement band for Fitbit ALTA and ALTA HR Multy Colors,perfect fit for your Fitbit Flex activity tracker and comfortable wearing experience