The 20mm Easy fit sport silicone watch band fit for Fenix 5S Plus, Fenix 5S,Fenix 6S,Fenix 6S Pro,Fenix 7S,D2 Delta S smartwatch. Fits wrist between 6.7inches-8.66inches (170mm-220mm)，Please measure your wrist and make sure the size before you purchase. Made of high quality Soft Environmental silicone, No peculiar smell and harmless，No Extra Edge to hurt your hands. The clasp is made of high quality stainless steel. Even you swim or soaked in water for a long time,it still cannot never fade. Enjoy your sprots activities! What we could promise to our customers is that we could provide better quality products and customer services. Any problem with the item you receive or any opinion, please don't hesistate to contact us, we will find the best solution to solve.