Vetoo Replacement Bands for Fitbit Flex,Hollowed Silicone Bracelet Wristband Accessory,Pack of 2,black+light gray IDEAL COMFORT  Made of premium silicone, Vetoo bands are really silky soft and pliable giving you a comfortable wearing experience without any feelings of stiffness. JUST 8 GRAMS -- When wearing such a light-weight band in your fitness life, you may barely feel it on your wrist. No burden at all, just enjoy your fitness life! AVAILABLE FOR WRIST -- From 5.5" to 7.5". It is of great convenience to move the adjustable clasp to the size that fits your wrist. Once it is sized, it is easy to hook the bar end over ther clasp. HOLLOW AND STYLISH DESIGN-- Hollow band is more breathable, cool and hypoallergenic for the hot summer. Various colors and stylish patterns are more dressy to fit your daily outfit and your mood. Light gray represents for Softness,Black represents for simple dignity. Package: 2pcs replacement bands.