Premium Quality: Made of high quality Soft Environmental silicone, No peculiar smell and harmless，No Extra Edge to hurt your hands. ▶20mm Silicone band just for Fenix 7S/7S Pro. Compatible Models: The 20mm Silicone watch band for Fenix 5S,Fenix 5S Plus,Fenix 7S, Fenix 7S Pro, Fenix 6S,Fenix 6S Pro,D2 Delta S with secure clasp will protect it from slipping off, fits great and more securely when you biking or working out. Wrist Circumfrence: 6.69inches-7.87inches (170mm-200mm), please kindly measure your wrist before purchase. Convenient for daily wear: No extra screws needed, just put on or take off the band by your hands, good for exercise or daily movement, super easy to switch bands. Quality service: What we can promise to our customers is that we provide better quality products and customer services. Any problem with the item you receive or any opinion, please feel free time to contact us.