Voguestrap Smart Buddie 1800-1001-HRT Black & White Heart-Printed Rubber Strap Compatible with Fitbit Flex MADE FOR FITBIT FLEX: Designed exclusively for Fitbit Flex Wireless Activity & Sleep Wristbands. DURABLE AND SLEEK: Made of flexible, durable TPE material, wear your Smart Buddie Fitbit Flex strap day or night, at work, while working out or simply to add a touch of fashion and color to your outfit for the day! VIVID STATEMENTS: Designed with color and crafted with movement in mind to ensure the very best in style and quality. This style features a black colour with white heart-printed. GO AHEAD, TRY A FEW: Smart Buddie Fashion Activity Tracker Bands are available in a wide variety of colors and prints to add style and color to your wrist while tracking your sleep and daily activities. HIGH-QUALITY, LIGHTWEIGHT: Made of the highest standard materials for a comfortable fit and lightweight feel.