The OTM University of Houston Silicone Apple Watch Band is designed for comfort and style. This classic black band features a pin - and - tuck attachment method, allowing for easy adjustment to fit your wrist perfectly. Made from durable and water - resistant silicone, it is compatible with Apple Watch Series 1 through 5 in sizes 38mm, 40mm, 42mm, and 44mm. Whether you're at the gym or in a meeting, this band adds a touch of elegance to your smartwatch while ensuring it stays securely in place.