Quick Release Band (20mm) with Stainless Steel Hardware – Black SiliconeStay stylish and sport-ready with these adjustable, quick release bands for your compatible Garmin watch. Simply remove the bands with a slide of the bar, and pop on different bands for the ultimate personal accessory.Small/medium fits wrists 4.6andrdquo -6.7andrdquo (118andndash 170 mm) in circumference.Large size fits wrists 5.8andrdquo -8.5andrdquo (148andndash 215 mm) in circumference.One size fits wrists 5.0andrdquo – 8.0andrdquo (127andndash 204 mm) in circumference.Two Sizes includes a small and large adjustment band with one buckle, fits wrists 5.0andrdquo – 8.5andrdquo (127andndash 215 mm) in circumference.*There may be slight variations in circumference fit based on watch model