This rubber watch band is a perfect combination of comfort, flexibility and durability. This band will not easily crack, smell or get harder in any rough sports or other activity. This premium quality rubber watch band has soft and smooth finish. Additional,they are extremely soft and comfortable. Specific: Buckle Width: 20mm Band Width: 25mm x 12mm We provide a full refund if you are not satisfied with the watch band you received within 30 days. Please feel free to contact us if you have any problems, we will help you as soon as possible.