After-sale Service --- Any issues with our sport fitbit versa 3/sense wristbands, please feel free to contact us, we will help you solve your problem within 24 hours. Looking forward to serving you!. Multi-color Choices --- The compatible with fitbit sense bands comes with a variety of colors for your choice. You can choose according to dressing, daily mood, daily activities, fit for many scenes, even all kinds of intense sports, highlight your personal style. Soft Material --- This replacement elastic versa 3 bands are made of premium skin-friendly elastic nylon material, innovative texture, soft, breathable, lightweight, durable and easy to maintain. Stretch bracelet wrist bands and fits snugly without constriction. Adjustable Bands Length --- This stretchy watch bands has adjustable buckle, easy to adjust it to your wrist size, fit size range from 5.5’’ - 9.8’’(140mm-250mm). Very easy to put on and take off due to the super elasticity, and not deformed. Compatible Models --- Enkic elastic nylon bands compatible with Fitbit Versa 3/Fitbit Sense.