Each band is made of high-grade soft silicone material, soft and light, not easy to fade, so that your wrist has no burden during exercise.
The watch band has two sizes, you can choose according to your needs: 38MM/40MM/41MM :Suitable for 5.2 "-7.7" (132mm-185mm) wrist or 42MM/44MM/45MM : Suitable for 5.4 "-8.2" (135 mm - 205mm) wrist.