◇ Soft Silicone Band, Perfect for Sports ◇ This band is made of soft silicone material that fits snugly on your wrist, providing a very light and comfortable feel. It's also resistant to sweat and water, and easy to clean with water, making it suitable for everyday use and during exercise. Material: Silicone Sizes: For 38/40/41mm About Delivery: We will deliver via postal mail, so you don't need to be home to receive it. ※ Shipping will be via standard mail. Please note that delivery may take up to a week depending on your region and circumstances.