Practical and soft, the watch band is made of flexible and light silicone for a comfortable fit during workout or everyday activities. The quick release sport band easily attaches to your 18, 20 or 22 mm watch, please see video description. If you are not sure about your watch band size, please measure the space between the band lugs, you can consult our product pictures or simply contact us for any help. Watch Band Length: 20 cm Suitable for 145-200 mm diameter wrists. Compatible with all smartwatch and classic models that have 18 mm, 20 mm or 22 mm lug space. Package includes: 1 x Watchband (Watch not included) For more watch bands, please visit our shop. We usually ship in 1-4 working days, USPS delivery 2?9 days. Reach out, we will do our best for you. Please note that due to different monitor settings, some colors may not appear 100% accurate, or over-saturated. Thank you for your understanding.