These are 2-piece Heavy NATO bands. Made from high-quality nylon creating a comfortable feel around the wrist. Each band includes a sturdy 3-ring brushed steel hardware. These watch bands are stitched for an added layer of durability by the buckle with nylon threading. Length is 140mm / 80mm. Thickness per band is approximately 1.8mm Questions — if you have any questions at all, please feel free to contact us at any time. Sizing — If you need help with sizing, please contact us and we are more then happy to help you!