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 and 40mm. The sleek black color adds a touch of elegance to your smartwatch, making it suitable for any occasion. Enjoy a 1 - year limited warranty and a 30 - day satisfaction guarantee with your purchase.