The OTM Rochester Institute of Technology Silicone Apple Watch Band is designed for comfort and style. This classic band features an adjustable pin - and - tuck attachment, allowing you to customize the fit according to your wrist size. Made from durable and water - resistant silicone, it is compatible with Apple Watch Series 1 through Series 5 in sizes 38mm, 40mm, 42mm, and 44mm. The charcoal color adds a touch of elegance, making it a perfect accessory for any occasion.